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If the PCM receives a signal from the fuel rail pressure sensor that is abnormally high over a set period, the P0193 code is set. Four Seasons A/C System Switch P/N:36646. Kenneth was extremely knowledgeable. However, precautions are to be made, while checking the output using an oscilloscope. FORD FUEL PRESSURE SENSOR LOCATION. Save my name, email, and website in this browser for the next time I comment. This sensor is on the front of the left fuel rail. Made with in Silicon Valley. 2023 Electrical tests of the rail pressure sensor The pressure sensors are either analog or digital and usually made upon one of these sensing elements strain gauges a variable capacitance a piezo crystal (resistive/voltage based) You can absolutely save money by doing it yourself. Here's how to tell if your sensor is bad and how much it costs to replace it. Jiffy Lube Vs. Valvoline Oil Change: Differences & Which Is Better? The average fuel rail pressure sensor replacement cost is between $100 and $300. Any injury, damage or loss that may result from improper use of the tools, equipment, or the information contained in this video is the sole responsibility of the user and not Auto Repair Guys. Flat rate pricing based on labor time and parts, Hand-picked, community-rated professionals, Trusted mechanics, rated by thousands of happy car Thanks. The Fuel Rail Pressure (FRP) Sensor is a diaphragm strain gauge device. Enjoy**************************************************************************************Amazon Printed-Books \u0026 Kindle:http://www.amazon.com/s/ref=nb_sb_noss_1?url=search-alias%3Dstripbooks\u0026field-keywords=mandy+concepcionGoogle Play Android APPs:https://play.google.com/store/search?q=mandy+concepcion\u0026c=appsAmazon Video DVDs:http://www.amazon.com/s/ref=nb_sb_noss_1?url=search-alias%3Dmovies-tv\u0026field-keywords=mandy+concepcionBarnes \u0026 Noble Nook:http://www.barnesandnoble.com/s/mandy-concepcion?keyword=mandy+concepcion\u0026store=allproductsApple iTunes iPad:http://itunes.apple.com/us/artist/mandy-concepcion/id449573393?mt=11 8 Reasons Why Your Car Engine Is Sputtering And How To Fix It, 3 Symptoms Of A Bad Tire Pressure Sensor and Replacement Cost, P0190 Code - What It Means and How To Fix It, Symptoms Of A Bad Airbag Sensor and Replacement Cost, 8 Symptoms Of A Bad Fuel Pump and Replacement Cost, 8 Symptoms Of A Bad Fuel Injector and Replacement Cost, 5 Symptoms Of A Bad Fuel Pump Relay and Replacement Cost, 15 Different Types of Sensors in a Car and Their Functions, 4 Symptoms Of A Bad Steering Angle Sensor and Replacement Cost, 7 Signs Of A Bad Intake Air Temp Sensor and Replacement Cost, Car Wont Accelerate But RPMs Go Up: Causes & Fixes. As its name may suggest, the fuel rail pressure sensor is located on the fuel rail. The high pressure fuel injection pump increases the fuel pressure up to 169.96 MPa (24,650 psi) and delivers fuel to the fuel rails through 2 high pressure lines, 1 per . (sometimes Im fun) So you can inform yourself with all the great information that I put in my videos and God bless. You can also try to see in the scanner if you get any rpms to the PCM while cranking, if not it may be a problem with the timing sync like a crankshaft sensor or camshaft position sensor. The Specs and Initial diagnostic process is pretty standard. The following P-codes (DTCs) are OBD II failure codes and generic to all OBD II compatible cars and could appear, if your fuel rail pressure sensor is faulty. Hello. Everything is purchased by us!\r\rThe video is meant for entertainment purposes only. It takes less pressure to flow fuel at high vacuum, idle, than at wide-open-throttle. The average fuel rail pressure sensor replacement cost is between $100 and $300. WHERE IS THE FUEL PRESSURE SENSORIf you have Ford and you are trying to find where the fuel pressure sensor is located we will explain in this video the usual location and where you can expect to find the fuel pressure sensor. An illuminated Check Engine Light is another symptom of a potential problem with the fuel rail sensor. Fuel Rail Pressure Sensor Diagnosis JL's Auto Solution 7.53K subscribers Subscribe 128K views 2 years ago In this video I go through the process of verifying a bad fuel rail pressure sensor.. On most engines, the fuel rail is somewhere on its intake side. The Bosch Piezoelectric (crystal) injector operates using a crystal stack, usually Quartz, that changes size when energized. In most cases, the fault will be due to a faulty fuel rail pressure sensor, its connector, or the wiring. What happens if the fuel rail pressure sensor goes bad? This process works to reduce tailpipe emissions. You can test the fuel rail pressure sensor either with a diagnostic scanner or a multimeter. This is due to the newer smart vehicle ECMs and the rationality checks done on the Fuel Rail Pressure Sensor.Finally, if faced with a Fuel Rail Pressure Sensor code, first test the wiring as mentioned here. However, in most cases, you need to replace the fuel pressure sensor. Neither one did what I thought it should vs applied vacuum. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. You can clean the sensor, but it is doubtful that it will make a difference. Will use u and recommend u to others!!! The P0191 (https://www.yourmechanic.com/article/p0191-obd-ii-trouble-code-fuel-rail-pressure-sensor-circuit-range-performance-by-jamahl-walker) (fuel rail pressure sensor circuit problem) may just be a symptom - it is reporting suspect fuel pressure on the rail. The power control module (PCM) regulates the amount of fuel that is released into the combustion chambers by controlling the fuel injectors. When the sensor has an issue it can cause problems with the performance of the vehicle. Your email address will not be published. The fuel rail sensor is one such sensor that can be damaged quite easily. How can you tell if a fuel pressure sensor is bad? Get a quote and book an appointment online or speak to a service advisor at 1-800-701-6230. Finding a trusted mechanic at a reasonable price can be extremely difficult. After pinpointing and replacing the faulty component, youll still have to delete the trouble code from the vehicles memory using an OBD2 scan tool. Any action on the car and its consequences are under your sole responsability. . All our repairs are backed by our 12-month / 12,000-mile warranty. The labor work costs 50$ to 150$, depending on the workshop. Another common occurrence that could cause You should have your fuel vapor control system for leaks (https://www.yourmechanic.com/services/fuel-is-leaking-from-gas-tank-inspection) by a mechanic that can fill the system with smoke from a smoke machine that helps to locate the leak in the system. In most cases, the P0193 code is related to a faulty fuel pressure sensor signal caused by a faulty sensor. 94-98 7.3L General Powerstroke Discussion. How do you bypass a fuel rail pressure sensor? A good fuel filler cap safely seals the fuel tank. The fuel pressure sensor ensures that your cars engine cylinders receive the right amount of fuel at the right pressure. The electrical tests checking for short/open circuit are usually performed by the ECU (failure P0192, P0193, P01C0 and P01C1) , and you dont need to bother yourself checking them. Usually a bad or failing fuel rail sensor will produce a few symptoms that can alert the driver to a potential issue. You shoul see close to 5 volts and zero volts respectively. Direct Fit O2 Oxygen Sensor For Ford Explorer F150 Pickup Truck . The appearance of these faults does not mean that the sensor is faulty and could be a result of a failure in the other elements of the sensor circuit (cables, ECU, ) or in the mechanical part of the injection system. To check the precision of the sensor, you will need to use a secondary measurement tool like a pressure gauge. There is almost nobody or few active FF members here who have connected an external fuel pressure gauge for test purposes. This vacuum hose often leaks fuel with sensor damaged.9) To test the Fuel Rail Pressure Sensor, disconnect the sensor, jump sensor signal to the 5 volt reference, then jump signal to sensor ground. And all it does is help me send you stuff . Jiffy Lube Vs. Valvoline Oil Change: Differences & Which Is Better. If it stays still, it is most likely a faulty circuit to the sensor. These codes will be displayed with a description string while using the scan tool. At that point O2s will be pegged rich. The FRP sensor nominal output varies between 0.5 and 4.5 volts, with 0.5 volts corresponding to 0 MPa (0 psi) gauge and 4.5 volts corresponding to 26 MPa (3771 psi) gauge. Completes a test drive and uses the live data to determine whether the fuel pressure reading is normal. The FRP sensor measures the pressure difference between the fuel rail and atmospheric pressure. Copyright 2023 Mechanic Base. To test the fuel rail pressure sensor, you first need a multimeter. The mechanism that ensures that the fuel rail is efficient is the fuel rail pressure sensor. How Long Does a Fuel Injector O Ring Last? . If the fuel pressure is normal, they will use an oscilloscope to test the connector and wiring of the fuel rail pressure sensor. Do the same measurement towards the sensor from the engine control unit plug. should I expect this on future appointments with your mechanic ? document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Any action on the car and its consequences are under your sole responsability. Certified Automotive Diagnostic Technician. Wiring that is insufficiently connected or chafed, a faulty fuel pressure regulator or faulty fuel pump are things that are often missed when doing a diagnosis and completing a repair. The purpose of this is to confirm that the sensors circuitry is unimpaired. However, you should refer to the manufacturers service manual, to do this comparison. Technically, it can mean that either the fuel pressure is too high or there is a problem with the signal from the fuel rail pressure sensor. This light is triggered by the ECU, which detects the defective fuel rail pressure sensor and acts accordingly. If the ECU determines the signal from the fuel pressure sensor is too high, it will trigger a P0193 trouble code. Was very courteous and professional. The fuel pressure sensor is located in the fuel line near the fuel tank. The sensor is used to monitor the fuel pressure. Injuries, electric shocks, burns and other life threatening hazards can be a result of an inappropriate action on the engine. Repairs covered by 12-month/12,000-mile warranty. You can also notice strange problems with the performance of your car engine. First things first, unplug the sensor from the vehicle to start the test. Always look at your shop manual for diagnostic information.Hope you Enjoy:)Scannerdanner: https://www.youtube.com/user/ScannerDannerEmail: JLsAutoSolution@gmail.comMailing address:JL's Auto Solution21blvd De Gualle Chateauguay Qc, J6K4c4Disclaimer:Please follow all manufactures safety information before proceeding with any repairs, failure to do so may result in personal injury or death.The information provided within this Video is for general informational purposes only. Do not Attempt!\r\r\rAMAZON ASSOCIATES DISCLOSURE\rAuto Repair Guys is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com\r\r*Disclaimer\rWe, Auto Repair Guys, are not responsible for property damage or injury incurred as a result of any of the information contained in this video. If the fuel rail pressure sensor is giving inconsistent readings, the power control module (PCM) will store the P0191 trouble code. You can also check the sensor with a multimeter, but you need to get the given sensors right measurement values. But first, you'll start your tests with a quick preliminary check: 1. He explained everything to me in detail on what I needed to know about my car. I would suggest a few more checks first. I can read Ford specific PID's. I was reading/logging Fuel Rail Pressure, no FMEM (not sure what FMEM is though) and Raw Fuel Rail Pressure Signal, no FMEM (this is the output voltage of the sensor, basically what the ECU sees and translates to a pressure). The engine may take a few cranks longer than normal to start and in more serious cases may not start at all. Diesel Pressure Sensor TestingAmazon Printed Bookshttps://www.createspace.com/3786463Amazon Kindle Editionhttp://www.amazon.com/Diesel-Common-Injection-Automotive-ebook/dp/B00760D04U/ref=sr_1_2?s=digital-text\u0026ie=UTF8\u0026qid=1360015278\u0026sr=1-2\u0026keywords=diesel+injection%2C+mandy+concepcionAndroid APPshttps://play.google.com/store/apps/details?id=com.app.book.AOTOTCCBNDTAEVFWAM\u0026feature=search_result#?t=W251bGwsMSwxLDEsImNvbS5hcHAuYm9vay5BT1RPVENDQk5EVEFFVkZXQU0iXQ..Explains how to test the diesel injection fuel pressure sensor. The most popular service booked by readers of this article is Fuel System Inspection. This is a common question about 04's . The FRP sensor measures the pressure difference between the fuel rail and atmospheric pressure. The fuel sending unit is the component in the fuel tank that the fuel pump is mounted to. With YourMechanic you can skip the auto shop altogether. Remove the connector plug from the fuel pressure sensor and check for any signs of corrosion. I have parts on order and will schedule an appointment to have Shane install the parts when they arrive. 2008- 2010 6.4L Ford Powerstroke. Common rail Diesel fuel injection is now the state of the art in engine injection. Depending on whats causing it, this may lead to performance issues, lack of power, or black smoke caused by the engine running rich. Follow the given steps sequentially to achieve the most accurate results. Any malfunction of the fuel pressure sensor can interrupt the engines proper fuel flow and cause the engines performance to collapse. It helps compensate fuel pressure on acceleration . Whenever this light comes on on your dashboard, you should make a trip to the nearest mechanic. The fuel gauge will no longer work if there is an application of reverse charge or corrosion. Check the fuel pressure on the rail with the engine off and the key on, with the engine running at idle, and the engine running at 2000 rpm. In 05 they abandoned that rear vacuum connection and they put a wye on brake booster hose . The Clay Way will not be liable in Way shape or Form. All Rights Reserved. If your vehicle is displaying any of the symptoms above, or you suspect that your fuel rail sensor may be having an issue, have the vehicle diagnosed by a professional technician, such as one from YourMechanic, to determine if the sensor should be replaced. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. The FRP sensor nominal output varies between 0.5 and 4.5 volts, with 0.5 volts corresponding to 0 MPa (0 psi) gauge and 4.5 volts corresponding to 26 MPa (3771 psi) gauge. By the same token, when electricity is applied to the crystal is changes shape. The P0193 trouble code gets stored in the trouble code memory when the engine control unit recognizes a too high signal from the fuel rail pressure sensor. To fix the P0193 code, youll first have to find out whats causing its signal to be too high, which is what this error means. The ECU then decides on the correct fuel supply measure. Toyota Corolla L4-1.6L - Fuel System Inspection - Sacramento, California. This is why all modern engines have pressure sensors on their fuel rails, which give away this vital information. Made with in Silicon Valley. Please watch: "TESTING L9929 IC PINOUTS ON BENCH | Ecm Repair Class 21 | ECMrepair inhindi | A To Z Automobiles" https://www.youtube.com/watch?v=FkCZGwnBMlA. Part of our Diesel and electronic series shown here on this channel. Once we are able to diagnose the problem, you will be provided with an upfront quote for the recommended fix and receive $20.0 off as a credit towards the repair. I constantly make these videos that show you how to use your tools and show the techniques that we use in our auto repair shop every day. Reason for car continually stalling can't be found by dealerships, Fuel gauge light and level indicator problems. Service Agreement Program What Is It & Is It Legit? TOYOTA SOARER LEXUS SC430 Genuine Quarter Belt Moulding RH 75671-24010 OEM, StopTech For 2001-2005 Mazda Miata Disc Brake Rotor Rear Right 126.45062SR. Check Engine Light diagnostic Fuel Pressure Sensor Diagnostics | Tech Minute Babcox Media 9.22K subscribers Subscribe 176K views 5 years ago Andrew Markel explains what a P0191 code means, and how to ensure an accurate. In most cases, when you experience the P0193 code, you will most likely only see the check engine light on your dashboard. The Trainer. P0452 OBD-II Trouble Code: Evaporative Emission Control System Pressure Sensor Low Input, OBD-II Trouble Code P0171 (excessively rich fuel system), OBD-II Trouble Code P0172 (excessively lean fuel system), Engine may cut off when the vehicle stops, Unusual smell emitting from the tail pipe, Trouble codes P0171 and/or P0172 stored in the power control module, Repairing any broken, frayed, or shorted wires that lead to the fuel pressure sensor, Repairing corroded connector to the fuel pressure sensor. Replace if necessary. If the ECU is unable to make adjustments, your vehicle is at high risk of developing unnecessary problems. Open the hood and locate the fuel pressure regulator on one end of the fuel rail. If you are still not sure where the sensor is located, the owner's manual should have information . I have a 2005 mustang v6 when i accelerate i get what it seems to me would be a miss but have replaced wires plugs coil what is your advice or diagnosis, Can a bad fuel rail sensor cause a misfire I'm having a misfire in cylinder 1 and cylinder 2 I change all spark plugs spark plug wiring all coils and I'm still having a misfire I also changed the fuel rail. 6.4L High Pressure Common Rail Basic Information. In this video we're gonna show you that we had a bad fuel pressure regulator and exactly how we determined that this vehicle was running poorly and smoking heavily so if you have a Ford. Volkswagen Jetta L5-2.5L - Fuel System Inspection - Indianapolis, Indiana, professional ,informative and knowledgeable, BMW X5 L6-3.0L - Fuel System - Rancho Palos Verdes, California. Get a fair & transparent quote instantly before booking. I say no voltage but i checked it with a test light. GlowShift Fuel Pressure Sensor Thread Adapter Compatible with 6.0L Ford F-250 F-350 Super Duty Power Stroke Diesel 2003-2007 - Installs to The Fuel Filter Housing - Includes O-Ring 232 $999 FREE delivery Mon, Feb 20 on $25 of items shipped by Amazon Small Business One of the first symptoms of a potential problem with the fuel rail sensor is hard starting. The fastest way of fixing the P0190 trouble code is by checking the fuel rail pressure sensor's electrical circuit. Primary reason for this is that very few Foci have a factory schrader valve on the fuel rail; so most people test the system using only a scan tool. So please be kind and enjoy!! Sensors in cars are susceptible to damage from constant exposure to pollutants such as dirt, dust, and heat. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Still, this only serves as a stop-gap solution, which will get you to the nearest service station or workshop. Get a fair and transparent estimate upfront. Is It Safe to Drive with the Check Engine Light On? When you see the P0193 code, you should drive to a workshop to fix it as soon as possible. Although your car may seem to run fine even when the P0190 trouble code is on, we wouldnt recommend driving it like that in a long run. It measures the fuel pressure at the injectors. A faulty rail sensor may upset the air fuel ratio and cause the vehicle to experience performance issues such as a decrease in power, acceleration, and fuel efficiency, and in some cases may even experience stalling. Actually, the used reference of the sensor could differ from the reference used by the pressure gauge and lead to false interpretation. You may also notice signs like poor engine performance or a stalling engine while driving. You can also check the values coming from it with a diagnostic scanner or by measuring it with a multimeter. P0193 is a diagnostic trouble code (DTC) for "Fuel Rail Pressure Sensor Circuit High Input". But the actual fuel pressure might be too high, as well. Get a fair and transparent estimate upfront, P0191 OBD-II Trouble Code: Fuel Rail Pressure Sensor Circuit Range/Performance, Get a quote and book an appointment online. JavaScript is disabled. Two wires are used to supply the sensor and the third provides the measurements. The pressure sensors are either analog or digital and usually made upon one of these sensing elements. Please see our, Jeep Cherokee L4-2.4L - Car is shaking or vibrating Inspection - Houston, Texas, Ford Explorer - Car is not starting - Houston, Texas. Replace sensor if faulty. Your engine will not like this thing in the long run, though! Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $114.99 Some causes are a loose fuel gap or a vacuum leak. Whats the location of the sensor? YourMechanic All rights reserved. As a result, you lose fuel and have to fill your cars tank more frequently. He also arrived 15 minutes early and had prepared for the visit by contacting me the day prior to get further clarification. Love your professionalism, very punctual and quick. A fuel rail pressure sensor is a component which has the ability to reduce evaporative emissions by allowing the engine just enough fuel so that it can run in the correct way. Keeping in mind the higher rpm the less vacuum on intake . 6.4L High Pressure Common Rail Basic Information. Completes a test drive and uses the live data to determine whether the fuel pressure reading is normal. Check if the pressure value changes while you rev up. Hi Magnus, 2007 Ford F150, crank no start. The fuel pressure on the rail is controlled by Hi there. To clear the P0193 trouble code, start by determining what triggered it in the first place. Check somewhere under the intake manifold, and Im sure that you will find the injectors, fuel rail, and the fuel rail pressure sensor. 2. That's it for the Fuel Rail Pressure Sensor Quick-Fix. This is, in essence, a thick metal tube with fuel injectors attached to it. It means that the signal is above the pre-calibrated limit for a pre-calibrated time made by the manufacturers. And it cost you Nothing ! For a better experience, please enable JavaScript in your browser before proceeding. Fuel Rail Pressure Sensor Circuit Range/Performance is the technical definition for this code. Will highly recommend to anyone. To do this, youll have to connect the alligator clip to the ground and then attach the test lights probe to the signal wire at the sensors connector. The fuel rail pressure sensor limits the ability for fuel to get left inside of the fuel line. Another symptom of a potential problem with the vehicles fuel rail sensor is engine performance issues. Here is a list of some common repairs associated with the P0193 code. This minute change in crystal size is used to trigger a small fuel chamber on and off. FORD FUEL PRESSURE SENSOR LOCATION. We will be happy to help you. The statements expressed above are only for informational purposes and should be independently verified. There could be some different causes of this, and in this article, you will learn what you need to know about the P0193 trouble code. However, if these particular failures are reported, it makes sense to check the wires and the complete circuit, before concluding that the sensor is faulty. Checking for FPR Fuel Leaks The easiest way to test an FPR is with the use of a fuel pressure gauge. Stalling. It determine if the sensor should be replaced. I also have no codes. A common mistake when diagnosing the P0191 trouble code is overlooking the other components that may need to be repaired and replacing the fuel rail pressure sensor first. This code is triggered when the signal from the fuel pressure sensor, which is mounted on the fuel rail, is too high. The prices include labor and parts costs but do not include diagnosis costs. Simply put, it sends this data to the ECU, which changes fuel pressure and injection timing as required. Check the wirings visually for any noticeable damages. Whether your car is a RAM with a Cummins engine or a Ford, or a Volvo or any other brand, a scan tool is your first ally to find out whether your rail pressure sensor is faulty or not. There could be a problem with the fuel pressure, though, which will cause performance issues with your engine. The amount of fuel injected into the engine during combustion is determined by two factors how long the fuel injector stays opened and at which pressure the fuel gets injected. Arrived on time. The fuel gauge assembly indicates your fuel level. Another symptom you can notice is a different fuel consumption than you are used to having. See further information here. if you want to reach out to me and get a message to me hit me up on clays ac and auto repair on the facebook And if you have any questions its easier to message me straight through FacebookWhy should you Subscribe to my channel ? Where is the fuel rail pressure sensor located? The labor work costs 50$ to 150$, depending on the workshop. Signs of a failing fuel cap include the smell of gas, stripped threads, or a cracked cap. Raymond did a great job however I was charged for two hours labor and he was only here less than 45 minutes. The sensors output is usually given as an analog voltage value proportional to the physical pressure. Home to the World's Fastest 6.7 powerstroke. Not only that, if the fuel pressure sensor is faulty, it may output too little information to the ECU, which in turn may increase the amount of fuel being fed into the engine. Also, make sure you have the proper tools necessary for diagnosis. By viewing content you are agreeing to these terms. Common signs include the Check Engine Light coming on, the car not feeling right when running, and issues with starting the car. Once you have a second measurement source, you can make a comparison between the two measurements. Our certified mobile mechanics can come to your home or office to perform the Uses a fuel pressure tester to make a . After doing some research the ecu thinks there's a low fuel pressure problem. Our certified mobile mechanics can come to your home or office to perform the. A fuel pressure sensor is a pressure sensor that measures the pressure of the fuel in a vehicle's fuel tank. Uses a fuel pressure tester to make a determination as to whether there is a sensor problem or a fuel pressure problem. I have checked the wire from the PCM to the connector at the FRPs and its ok. Back probed the wire to the PCM, no voltage. For 2002-2004 Ford Taurus Fuel Rail Pressure Sensor Connector Motorcraft 93269TQ. 5-volt reference, ground and signal wire (pressure voltage signal), which sends the reading to the ECM / PCM. Check the fuel pressure signal in live data from your diagnostic tool on idle. In order to do proper diagnostics you will need a scan tool, preferably Ford IDS, and . Definitely recommend him for getting the job done. The most common mistake when diagnosing the P0193 code is starting with fuel pressure related issues. This can also cause damages to your engine in the long term. To optimally balance the air-fuel mixture for the best possible performance, the vehicles ECU needs to accurately know how high is the fuel pressure at any given moment. The fuel rail pressure sensor constantly monitors fuel pressure in the fuel rail. One fuel pressure sensor is for the low pressure pump and one fuel pressure sensor is for the high pressure pump. @Des Here are the facts about the fuel-rail-pressure-sensor.1) The only reason why the Fuel Rail Pressure Sensor was developed was to make the Fuel-Pump last longer.2) Before the Fuel Rail Pressure Sensor was developed, the fuel pump was always woking at 100% load.3) Using the Fuel Rail Pressure Sensor, the fuel pump module regulates the pump's rotational speed, according to engine load.4) The Fuel-Pump module computer sends a Pulse-Width-Modulation signal to the fuel pump.5) At idle, the need for excess fuel is reduced, so the fuel pump's speed is reduced, with input from the Fuel Rail Pressure Sensor.6) The Fuel Rail Pressure Sensor has 3 wires, the sensor ground, 5 volt reference and the signal wire.7) The Fuel Rail Pressure Sensor is used on returnless fuel systems.8) A vacuum hose is used in the Fuel Rail Pressure Sensor to take engine vacuum into consideration when measuring the fuel pressure. The piezoelectric effect states that when a crystal such a Quarts is squeezed an electric current is generated. Actually, some Ford models are equipped with sensors, in which the value of the pressure is expressed as a function of the signal frequency. The sensor is most likely defective if the actual fuel pressure is normal and the sensors circuitry is unimpaired. The fuel rail pressure sensor is located on the fuel rail, which is often located near or under the intake manifold. When the battery was arched, the power surge had went through the vehicle and caused some circuits to fail. We demonstrated where the fuel pressure sensor is located on Ford Focus third generation but the video may be helpful on other ford cars too:Ford Focus Fuel Pressure Sensor LocationFord Fiesta Fuel Pressure Sensor LocationFord Mustang Fuel Pressure Sensor LocationFord Flex Fuel Pressure Sensor LocationFord Edge Fuel Pressure Sensor LocationFord Escape Fuel Pressure Sensor LocationFord Explorer Fuel Pressure Sensor LocationFord Fusion Fuel Pressure Sensor LocationFord Taurus Fuel Pressure Sensor LocationFord F150 Fuel Pressure Sensor LocationFord Expedition Fuel Pressure Sensor Location High Pressure Fuel Sensor: https://amzn.to/31DLy7P Mechanic Tool Set: https://amzn.to/2UUwqzR Scanner That We Use: https://amzn.to/30f3HbC Check out our Amazon Store for the tools and parts that we use: https://www.amazon.com/shop/worldmechanics Our Website: http://mechaniclifestyle.com\r\r Our Baby Girl Channel: https://goo.gl/WiVs8Y\r Our Second Car Channel: https://goo.gl/XB6fHq\r Honest Product Review Channel: https://goo.gl/sMPQXk\r GoFundMe Link: https://goo.gl/pUife3\r\rOur Most Popular Videos:\r Bumper Repair: https://goo.gl/XBe4Sh\r Missing Wheel Lock: https://goo.gl/5n4a5i\r Bearing Replacement: https://goo.gl/JSNDnZ\r Restore Headlights: https://goo.gl/qVhDkf\r\r Cameras \u0026 Gear Used For This Video \r\rCameras\rPanasonic Lumix FZ300: http://amzn.to/2BNWtNA\r\rTripod\rPolaroid 72-inch: http://amzn.to/2iVTmP4\r\rMicrophone\rPolaroid Pro Video Condenser: http://amzn.to/2krpSsA\r\rLight\rNEEWER 160 LED CN-160 Dimmable: http://amzn.to/2jjg9Bd\r\rComuter for editting\rLenovo ideapad 310: http://amzn.to/2kqUNFl\r\r Other Equipment and Gear that I use \r\rCamera\rSony HD Video Recording HDRCX405: http://amzn.to/2jk8nqB\r\rGoPro HERO5 Black: http://amzn.to/2ktNKfj\r\rExtra Computer For Editting\rLenovo Ideapad 510: http://amzn.to/2ktOuB7\r\r Like Us on FACEBOOK: https://www.facebook.com/worldmechanicsofficialpage \r\r LIKE \u0026 SUBSCRIBE for MORE DIY VIDEOS that could SAVE YOU BIG $$$$$$$ !!