Two wires are used to supply the sensor and the third provides the measurements. Fuel Rail Pressure Sensor Circuit High Input. CATALOG:http://www.autodiagnosticsandpublishing.com/Software_Catalog.htmlFuel Rail Pressure Sensor Quick-FixThe Fuel Rail Pressure Sensor value is used by th. To clear the P0193 trouble code, start by determining what triggered it in the first place. This includes the sensor itself, its connector, and the wiring that goes to the ECU. 94-98 7.3L General Powerstroke Discussion. If the fuel pressure is greater than 35 psi, then Hi there. Our certified mobile mechanics make house calls in over 2,000 U.S. cities. Fuel pressure sensor wiring repair 20$ to 70$, Fuel pressure regulator hose replacement 10$ to 30$. With YourMechanic you can skip the auto shop altogether. And it cost you Nothing ! I replaced the FRP sensor and still have the code I have checked my wiring have 5 volts checked the ground everything checks out the engine actually is running good just lost some mpg. You may also notice signs like poor engine performance or a stalling engine while driving. Magnus is the owner and main author of Mechanicbase. There is almost nobody or few active FF members here who have connected an external fuel pressure gauge for test purposes. Another symptom of a potential problem with the vehicles fuel rail sensor is engine performance issues. Some Ford cars with direct fuel injection often have 2 fuel pressure sensors. That's it for the Fuel Rail Pressure Sensor Quick-Fix. 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. If the ECU determines the signal from the fuel pressure sensor is too high, it will trigger a P0193 trouble code. It means that the signal is above the pre-calibrated limit for a pre-calibrated time made by the manufacturers. . Arrived on time. It can also happen that the engine is running too rich, and this will cause the car to have performance issues and black smoke from the exhaust pipe. In this video were 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 Escape and you need to replace the fuel pressure regulator heres the video on how to do it I also get into what happens if you continually allow it to run poorly and keep driving it because it still running so I highly recommend you take care of this problem as soon as possible I hope the videos informative for you and you feel a little bit more comfortable about working on your own vehicle.You should watch the whole video . 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. Last but not least, you can read the sensor values using the scan tool and look for variations. For 2002-2004 Ford Taurus Fuel Rail Pressure Sensor Connector Motorcraft 93269TQ. Check the fuel pressure signal in live data from your diagnostic tool on idle. Chosen Solution I have a 2007 FORD FOCUS 2.0 and according to Smog Check station it didn't pass. A forum community dedicated to Ford F-series owners and enthusiasts with a Power Stroke diesel engine. (sometimes Im fun) So you can inform yourself with all the great information that I put in my videos and God bless. This rail holds the fuel injectors in place. Find out more on this video. By viewing content you are agreeing to these terms. And all it does is help me send you stuff . Do the same measurement towards the sensor from the engine control unit plug. Thanks. Connect the diagnostic scanner and check the values coming from it. 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. While fuel rail sensors are not found on all vehicles, to the ones they are found on, they play an important role in engine management functions. The Fuel Rail Pressure (FRP) Sensor is a diaphragm strain gauge device. 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. Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. The ECU then decides on the correct fuel supply measure. If your fuel gauge is behaving erratically, it may be possible that your vehicle's fuel sending unit is faulty (https://www.yourmechanic.com/services/fuel-gauge-sender-replacement). owners, Over 25,000 topics, from beginner tips to technical The information is only given to help for fault diagnosis. The fastest way of fixing the P0190 trouble code is by checking the fuel rail pressure sensor's electrical circuit. Made with in Silicon Valley. 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. It means that the signal is above the pre-calibrated limit for a pre-calibrated time made by the manufacturers. It is important to take this code seriously and have it diagnosed and repaired as soon as possible. How Long Does a Fuel Injector O Ring Last? All our repairs are backed by our 12-month / 12,000-mile warranty. Part of our Diesel and electronic series shown here on this channel. The fuel rail pressure sensor limits the ability for fuel to get left inside of the fuel line. Analyse des donnes en vue du diagnostic des moteurs Diesel de grande puissance - 1er et 2me chapitre, Diesel engine Characteristics comparison, 3 steps to diagnose easily Oxygen sensor troubles, 1 simplified procedure to diagnose Blow-by, 8 simple steps to diagnose the car temperature symbol advent, Easy 2 steps to fill repetitive Microsoft Word templates using python, The number 1 scary reason of the Diesel engine abolition, Find easily the meaning of your OBD II DTC, Fuel Rail/System Pressure Too Low Bank 1, Fuel Rail/System Pressure Too High Bank 1, Fuel Rail Pressure Too Low Engine Cranking Bank 1, Fuel Rail Pressure Sensor Circuit Range/Performance Bank 1, Fuel Rail Pressure Sensor Circuit Low Bank 1, Fuel Rail Pressure Sensor Circuit High Bank 1, Fuel Rail Pressure Sensor Circuit Intermittent/Erratic Bank 1, Fuel Rail Pressure Sensor Circuit Range/Performance Bank 2, Fuel Rail Pressure Sensor Circuit Low Bank 2, Fuel Rail Pressure Sensor Circuit High Bank 2, Fuel Rail Pressure Sensor Circuit Intermittent/Erratic Bank 2, Fuel Rail/System Pressure Too Low Bank 2, Fuel Rail/System Pressure Too High Bank 2, Fuel Rail Pressure Too Low Engine Cranking Bank 2, a piezo crystal (resistive/voltage based). Here is a quick list to check if you get a no start with fuel rail pressure below 1000 kpa. Presented using advanced software CG animation technology to help you understand. Copyright 2023 Mechanic Base. I say no voltage but i checked it with a test light. It measures the fuel pressure at the injectors. It can either be higher fuel consumption or lower consumption than usual which might sound like a good thing. This light is triggered by the ECU, which detects the defective fuel rail pressure sensor and acts accordingly. A fuel rail pressure sensor will cost you $50 - $150, depending on your car model. I find when you have a P093 code its usually caused by a plugged fuel filter. Here is a list of some common repairs associated with the P0193 code. Check if the pressure value changes while you rev up. Hunting / uneven idle / unstable tickover at idle when hot , cold or randomly cutting out. If it stays still, it is most likely a faulty circuit to the sensor. Your email address will not be published. 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. No matter what you try, the engine will often not start again. A fuel volume gauge may also be needed to do this test. Measure the fuel pressure sensor using the measuring diagram from your repair manual for your specific car model. In most cases, the P0193 code is related to a faulty fuel pressure sensor signal caused by a faulty sensor. Fuel injection lines transfer fuel from the fuel tank to the car engine. you would only be helping me . Symptoms of a Bad or Failing Manifold Absolute Pressure Sensor (MAP Sensor), Symptoms of a Bad or Failing Fuel Pump Shut Off Switch. The purge control valve is the Hello. Now made of plastic, fuel lines don't rust and hold up to 750 psi. See further information here. If you are not familiar with engines and not sensitized to the safety procedures, please contact a professional. Actually, some Ford models are equipped with sensors, in which the value of the pressure is expressed as a function of the signal frequency. Both at -28.9, P0191 code coming on - I already changed the fuel pump, fuel pressure sensor, and driver fuel module. costs, Optimize fleet uptime and compliance via mobile vehicle repairs, Partner with us to simplify and scale fleet maintenance. Most of the time, there are other components that cause this trouble code. Here's how to tell if your sensor is bad and how much it costs to replace it. 2023 The fuel gauge will no longer work if there is an application of reverse charge or corrosion. The fuel rail sensor, commonly referred to as the fuel pressure sensor, is an engine management component that is commonly found on diesel, and some gasoline injected vehicles. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. This video is property of the Clay way Channell and root 66 productions. Products that I use quite often. With 5 volts shorted to signal rail pressure will read 0, with the sensor unplugged rail pressure will be 227000 kpa. This is 3 wire sensor, with reference, signal and ground. I have parts on order and will schedule an appointment to have Shane install the parts when they arrive. Get a fair & transparent quote instantly before booking. The fuel sending unit is the component in the fuel tank that the fuel pump is mounted to. Connect an OBD2 scanner and check for other related trouble codes. 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. You have 2 separate problems here. You are suspecting the fuel rail pressure sensor to be faulty but you are still not sure? 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. JavaScript is disabled. Please note that the contrary is not true. Symptoms Of A Bad Fuel Rail Pressure Sensor. Simply put, it sends this data to the ECU, which changes fuel pressure and injection timing as required. The Bosch Piezoelectric (crystal) injector operates using a crystal stack, usually Quartz, that changes size when energized. You can clean the sensor, but it is doubtful that it will make a difference. If your engine continues to run lean as a result of your bad fuel pressure sensor, you could run the risk of stalling while idling or in the middle of driving. 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. Everything is purchased by us!\r\rThe video is meant for entertainment purposes only. How can you tell if a fuel pressure sensor is bad? If it moves but is too high related to the RPM, you most likely have a broken fuel pressure regulator or the vacuum hoses to it. I also have no codes. Hi Magnus, 2007 Ford F150, crank no start. 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. Once the problem has been diagnosed, you will be provided with an upfront quote for the recommended fix and receive $20.00 off as a credit towards the repair. 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 $$$$$$$ !! 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 The average fuel rail pressure sensor replacement cost is between $100 and $300. 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. It helps compensate fuel pressure on acceleration . This can be caused by a faulty fuel rail pressure sensor, wiring issues, or an actually too high fuel pressure. In 05 they abandoned that rear vacuum connection and they put a wye on brake booster hose . My question is how would I know its my pcm causing my problem cause I have check replaced everything else. P0190 OBD-II Trouble Code: Fuel Rail Pressure Sensor Circuit Malfunction. If you are still not sure where the sensor is located, the owner's manual should have information . In most cases, when you experience the P0193 code, you will most likely only see the check engine light on your dashboard. Pennzoil vs. Mobil 1 Oil: Differences & Which Is Better? Will use u and recommend u to others!!! The fuel rail is responsible for the supply of fuel to the fuel injectors. 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. If you do not have the knowledge or do not have the right tools, you may have difficulty following this guide. Will highly recommend to anyone. An illuminated Check Engine Light is another symptom of a potential problem with the fuel rail sensor. The most common symptoms of a bad fuel pressure sensor are difficulty starting your car and acheck engine lighton your dashboard. Transit Power & Service Tips. YourMechanic All rights reserved. Keeping in mind the higher rpm the less vacuum on intake . Completes a test drive and uses the live data to determine whether the fuel pressure reading is normal. Get a fair and transparent estimate upfront. Another symptom you can notice is a different fuel consumption than you are used to having. This code is triggered when the signal from the fuel pressure sensor, which is mounted on the fuel rail, is too high. Castrol Edge vs. Mobil 1 Oil: Differences & Which Is Better? Hi The P0193 code may cause any of the following issues: Medium The P0193 code will most likely not cause any issues at all with your car except a check engine light on the dashboard. Uses a fuel pressure tester to make a determination as to whether there is a sensor problem or a fuel pressure problem. The Check Engine Light can also be activated by a wide variety of other issues, so having the computer scanned for trouble codes is highly recommended. Open the hood and locate the fuel pressure regulator on one end of the fuel rail. 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. YourMechanic offers certified mechanics who will come to your home or office to diagnose and repair your vehicle. All our repairs are backed by our 12-month / 12,000-mile warranty. 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. But when driving conditions are light, the engine will deactivate 4 of the 8 cylinders, thereby P0452 means there is a issue with the fuel tank pressure sensor or the evaporative pressure sensor. After doing some research the ecu thinks there's a low fuel pressure problem. The fuel pressure sensor is located in the fuel line near the fuel tank. You can absolutely save money by doing it yourself. First things first, unplug the sensor from the vehicle to start the test. 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. 2008- 2010 6.4L Ford Powerstroke. Pete fender Pete Fender Jun 4, 2019 #6 If this happens frequently, the fuel rail pressure sensor might not be working properly enough to send the correct information to the vehicles onboard computer. And the corresponding sensor, which is usually the only electrical component on the fuel rail, will almost definitely be at its end. The sensor sends this signal to the computer, which then uses it to make adjustments to the vehicles fuel and timing. This is probably the first symptom you will notice. Usually a bad or failing fuel rail sensor will produce a few symptoms that can alert the driver to a potential issue. all it does is add a couple 100 thousands of a cent to me . Common rail Diesel fuel injection is now the state of the art in engine injection. Compare reading at the fuel pressure gauge. Common signs include the Check Engine Light coming on, the car not feeling right when running, and issues with starting the car. Check Engine Light diagnostic That proves the sensor wiring. 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. 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. For example, the troubleshooting process of a code P0193 in a Ford may differ from that of an Isuzu's. The mechanism that ensures that the fuel rail is efficient is the fuel rail pressure sensor. In some rare cases, it can be a problem with too high fuel pressure. I have no 5 volt ref from PCM to fuel rail pressure sensor. You can also read the trouble codes yourself with an OBD2 scanner. Four Seasons A/C System Switch P/N:36646. 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.. Manually check the fuel pressure and replace the fuel pressure regulator or vacuum hoses if the pressure is too high. A defective fuel rail pressure sensor will affect the performance of your ride. Some causes are a loose fuel gap or a vacuum leak. WHERE IS THE FUEL PRESSURE SENSORIf you have Ford and you are trying to find where the fuel pressure sensor is located w. AboutPressCopyrightContact. In most cases, the P0193 code will be caused by a faulty fuel rail pressure sensor or a broken wire. And hopefully i was able to help you !! 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. Some manufacturers can design their sensors to output other form of signals. 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 A fuel pressure sensor is a pressure sensor that measures the pressure of the fuel in a vehicle's fuel tank. The FRP sensor measures the pressure difference between the fuel rail and atmospheric pressure. I do not sell your information I do not solicit you. No portions of the video can be copied and re-distributed in any shape or form without written approval from root 66 and or the Clay way Channell! We will be happy to help you. Kenneth was extremely knowledgeable. LEARN MORE. However, you should refer to the manufacturers service manual, to do this comparison. It is a part of vehicles fuel system and designed to monitor the fuel pressure that is present at the fuel rail. Uses a fuel pressure tester to make a . In order to do proper diagnostics you will need a scan tool, preferably Ford IDS, and . Disclaimer: This site and the author are not responsible of any misuse of the provided information. Any use of this information is at your own risk. All Rights Reserved. However, in most cases, you need to replace the fuel pressure sensor. Where is the fuel rail pressure sensor located? Magnus is the owner and main author of Mechanicbase. Check the fuel rail pressure sensor circuit. 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. You will need an OBD-II scanner and an oscilloscope. The Trainer. If the fuel rail sensor malfunctions, it sends incorrect information to the ECU, which changes the settings, causing the fuel supply to be inadvertently interrupted, and your car takes longer to start. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. You can bypass a fuel rail pressure sensor using ordinary LED test light. 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. On most engines, the fuel rail is somewhere on its intake side. The fuel gauge assembly indicates your fuel level. The piezoelectric effect states that when a crystal such a Quarts is squeezed an electric current is generated. Your engine will not like this thing in the long run, though! . Thank you Kanstantsin. Our certified mobile mechanics can come to your home or office to perform the While JL's Auto Solution tries to keep the information up-to-date and correct, there are no representations or warranties, expressed or implied, about the completeness, accuracy, reliability, suitability or availability with respect to the information, products, services, or related graphics contained in this Video for any purpose. By the same token, when electricity is applied to the crystal is changes shape. Certified Automotive Diagnostic Technician. The check engine light is an indication that something is going wrong in your engine that needs immediate attention. You can absolutely save money by doing it yourself. All Rights Reserved. The fuel rail sensor, commonly referred to as the fuel pressure sensor, is an engine management component that is commonly found on diesel, and some gasoline injected vehicles. When the battery was arched, the power surge had went through the vehicle and caused some circuits to fail. You can test the fuel rail pressure sensor either with a diagnostic scanner or a multimeter. In most cases, this will be an electrical issue with the fuel rail pressure sensor or its wiring. Check the wirings visually for any noticeable damages. If you try to accelerate, your engine will not have an efficient fuel supply, resulting in poor acceleration. 24K views 3 years ago The purpose of this test is to check the fuel system pressure characteristics on a common rail diesel engine by using the fuel rail pressure sensor. This, of course, can happen if the amount of fuel making it to the engine isn't enough to sustain the load of the engine. It does share this5 volt ref with the power steering oil sensor. This process works to reduce tailpipe emissions. I really think you have single handedly led me to my poor performance issue on my Audi's driveability. 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. The mechanic will use the OBD-II scanner to retrieve the freeze frame data to find out what the condition of the vehicle was when trouble code P0191 was set by the power control module (PCM).