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When the PCM detects an open circuit in the ‘A’ reference voltage circuit, it stores the P0641 code and may trigger the check engine light on your Chevy Traverse. Keep in mind that the P0641 code is a generic trouble code, which means it applies to all model years of the Chevy Traverse built after for the 1996 model year and up.. Calamity rogue

The P0641 code is related to the following sensors: MAP, FTP, A/C, APP, and CMP. I was thinking maybe my long starting is related to the FTP sensor because of …2,567 satisfied customers. P0641 code in my 2008 Chevy Silverado. The motor goes in. P0641 code in my 2008 Chevy Silverado . The motor goes in limp mode. I also have code P0122,P0449,P0463. I think my main problem is 641. … read more. Alex. Automotive Technician.Aug 21, 2023 · When the PCM detects an open circuit in the ‘A’ reference voltage circuit, it stores the P0641 code and may trigger the check engine light on your Chevy Suburban. Keep in mind that the P0641 code is a generic trouble code, which means it applies to all model years of the Chevy Suburban built after for the 1996 model year and up. My son's 2009 chevy silverado with a 6.0 liter engine died and has the following trouble codes: P0121, P0230, P025A, P0449, P0452, P0521, P0641, & P069E … read more ExpertP0441 is one of the more common OBD II codes that can occur in the Chevy Silverado . It is frequently caused by a loose or bad gas cap, cracked or disconnected EVAP system hoses, vacuum leaks, or a bad purge valve. Always start by taking a look at the gas cap. P0441 is related to the evaporative emissions control system (EVAP) and should not be ...DTC P0641. 1. Disconnect the MAP sensor electrical connector. 2. With the ignition ON and the engine OFF, measure for 4.8-5.2 volts from the 5-Volt reference circuit of the MAP sensor to ground with a DMM. - If the voltage is more than 5.2 volts, test for a short to voltage on the 5-Volt reference circuits of all the sensors connected to the 5 ...DTC P0641 5-Volt Reference 1 Circuit. Conditions for Running the DTC. • DTCs P0601, P0602, P0604, P0606, P1621, and P2610 are not set. • The ignition is in unlock, accessory, run, or crank mode. • The ignition voltage is greater than 5.2 volts. • DTC P0641 runs continuously when the above conditions are met.Step 3: Inspect sensors and wiring harness. Inspect all the sensors associated with the P0641 code, making sure to check for any visible damage, corrosion, or loose connections. Additionally, examine the wiring harness and connectors for signs of wear or disconnections, as these could also contribute to the problem.Sep 3, 2013 · The problem is you can start throwing money at the sensors but that's not going to fix what caused the sensors to go haywire in the first place. The code P0641 is your throttle position sensor. You can try to replace the fuel rail pressure sensor. 2009 Silverado 1500. K&N Air Filter. Code P0641 Chevrolet Tech Notes. Disconnecting one component at a time from the affected 5 Volt reference circuit while observing the scan tool 5 Volt Reference Circuit Status parameter may help locate the fault. The scan tool parameter will change from Malfunction to OK when the source of the fault is disconnected.Aug 21, 2023 · When the PCM detects an open circuit in the ‘A’ reference voltage circuit, it stores the P0641 code and may trigger the check engine light on your Chevy Suburban. Keep in mind that the P0641 code is a generic trouble code, which means it applies to all model years of the Chevy Suburban built after for the 1996 model year and up. we had a customer call with a complaint of car losing power and code being present it was p0641 which is loss of power traction control malfunction. after ta...goes into limp mode setting codes for a/c high pressure sensor, map sencor, fuel tank pressure sensor and oil pressure sensor Labor: 1.0. The cost to diagnose the P0641 2018 Chevrolet Silverado code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour. Search for P0641 2018 Chevrolet Silverado ... Aug 21, 2023 · When the PCM detects an open circuit in the ‘A’ reference voltage circuit, it stores the P0641 code and may trigger the check engine light on your Chevy Malibu. Keep in mind that the P0641 code is a generic trouble code, which means it applies to all model years of the Chevy Malibu built after for the 1996 model year and up. Step 4: Test the reference voltage circuit. Next, using a multimeter, test the 5-volt reference circuit to verify if the voltage is out of specification. If the voltage is indeed off, focus on identifying the problematic component within the circuit, as this will likely be the primary cause of the P0641 code.=====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====nonda Auto DIY Center is the biggest ...Step 3: Inspect sensors and wiring harness. Inspect all the sensors associated with the P0641 code, making sure to check for any visible damage, corrosion, or loose connections. Additionally, examine the wiring harness and connectors for signs of wear or disconnections, as these could also contribute to the problem.Aug 21, 2023 · When the PCM detects an open circuit in the ‘A’ reference voltage circuit, it stores the P0641 code and may trigger the check engine light on your Chevy Traverse. Keep in mind that the P0641 code is a generic trouble code, which means it applies to all model years of the Chevy Traverse built after for the 1996 model year and up. 6 Jul 2023 ... this is Chevrolet Tahoe 2009 with 5.3L engine comes to the workshop with a problem of engine power reduce. I scanned the vehicle got P0641 ...P069E code indicates that the FPCM has identified an issue in the fuel system and is requesting the PCM turn on the check engine light. The FPCM supplies and regulates the voltage that goes to the fuel pump and the fuel pump relay. It can be a stand-alone module or a computer integrated into the PCM. Usually, the FPCM is a stand …The P0641 DTC is from this group: P0640 Manifold Intake Air Heater Ctrl Circ. P0641 Sensor Ref Voltage A Circ/Open. P0642 Sensor Ref Voltage A Circ Low. P0643 Sensor Ref Voltage A Circ High. The Intake Air Heater has two circuits. Power Circuit, and a Control (Sensor or feedback circuit). Document IAH2 shows the location of the Intake Air …Jul 5, 2022 · How to fix engine power reduced, code P0641 2006 Impala LS 3.5L V6. chevy impala. car trouble The automobile fault code P0641 indicates a problem with the Engine Control Module (ECM). Symptoms may include engine performance issues or even a complete failure to start. The cause of this fault code can be a faulty ECM, an open or shorted ECM harness, poor electrical connections in the ECM circuit, or a shorted sensor on the 5-volt circuit.Labor: 1.0. The cost to diagnose the P0641 2016 Chevrolet Silverado code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour. Search for P0641 2016 Chevrolet Silverado ...Jan 6, 2013 · P0641 code? Thread starter tlsnokuyeulb; Start date Nov 13, 2016; ... The fuel pump in newer model Chevy trucks have a variable rate of flow. The fuel pump control ... P0741 is a very common trouble code. It's know to affect the Chevy Silverado quite often. Here's what it means: P0741: Torque Converter Clutch Circuit → Performance or Stuck Off The Silverado uses a clutch in the torque converter to lock the engine and transmission together at highway speed. P0741 can register whenever this connectionnealinator. 18285 posts · Joined 2015. #2 · Feb 27, 2020. Some reading for you here: P0641 code. Could be a bad sensor or a wire issue (even just a plug disconnected. Have a look around for anything unplugged or and damaged wires. Nealinator's 5.3L 4x4 Z71 All Terrain. Borla Touring cat back exhaust - Bilstein 5100's front level - Zone AAL ...Check engine light code P0101 is set when the measurement of air entering the engine by the mass air flow sensor is outside of the manufacturer’s specified range. Code P0641 stands for Sensor Reference Voltage 'A' Circuit Open. The vehicle's computer, the powertrain control module (PCM), supplies a reference voltage to many of the onboard ...The P0641 code is related to the following sensors: MAP, FTP, A/C, APP, and CMP. I was thinking maybe my long starting is related to the FTP sensor because of …Dec 9, 2020 · Chevy 2009 Cobolt. My fault code is p0641. along with a reduced power indication from odometer led display. Really confused on this one. in looking up the sensors attached to this 5v reference to ecm, … read more Step 3: Inspect sensors and wiring harness. Inspect all the sensors associated with the P0641 code, making sure to check for any visible damage, corrosion, or loose connections. Additionally, examine the wiring harness and connectors for signs of wear or disconnections, as these could also contribute to the problem.The Diagnostic Trouble Code (DTC) will be set when the ECM detects a short to voltage or ground on any of the 5 Volt reference circuits for greater than 0.5 s. P0651 Chevrolet Code - 5 Volt Reference 2 Circuit.2,567 satisfied customers. P0641 code in my 2008 Chevy Silverado. The motor goes in. P0641 code in my 2008 Chevy Silverado . The motor goes in limp mode. I also have code P0122,P0449,P0463. I think my main problem is 641. … read more. Alex. Automotive Technician.18 Aug 2017 ... PCM Diagnostics & Tuning - 5v reference, p0641 - Having trouble with 5v reference....2010 camaro 6.2 throwing a p0641 code and sensor codes ...When the PCM detects an open circuit in the ‘A’ reference voltage circuit, it stores the P0641 code and may trigger the check engine light on your Chevy HHR. Keep in mind that the P0641 code is a generic trouble code, which means it applies to all model years of the Chevy HHR built after for the 1996 model year and up.Aug 21, 2023 · When the PCM detects an open circuit in the ‘A’ reference voltage circuit, it stores the P0641 code and may trigger the check engine light on your Chevy Traverse. Keep in mind that the P0641 code is a generic trouble code, which means it applies to all model years of the Chevy Traverse built after for the 1996 model year and up. 3 Dec 2014 ... I think I may have my intermittent P0641 Error Code repaired. I could find no culprit to the low voltage on the buss, I had found repair charts ...Expert 224 Answers. Posted on Oct 09, 2014. Possible causes. - Faulty Engine Control Module (ECM) - ECM harness is open or shorted. - ECM circuit poor electrical connection. - Shorted sensor on 5 volt circuit.1. As I was driving today, most of the day was good. Then as I was turning a corner, the yukon just died. I get all the dic messages, but borrowing a code reader …17 Jul 2022 ... What are the Possible Causes of the DTC P0641 2014 Chevrolet Silverado? · Faulty Sensor on 5 Volt circuit · Sensor on 5 Volt circuit harness is .... Code P0641 indicates the PCM has detected voltage is out of specification on the 5-Volt reference circuit. The 'A' part of the code indicates the problem is with the number one sensor, if more than one sensor is in question. Note: Typically, the manufacture's repair information will indicate which sensor circuits are affected when code P0641 is ... P0641, P0651, and P0697. These DTCs set when the ECM detects a voltage out of tolerance condition on the 5-volt reference 1, 2 or 3 bus for more than 3 seconds. P0642, P0652, and P0698. These DTCs set when the ECM detects a low voltage condition on the 5-volt reference 1, 2, or 3 bus for more than 3 seconds. P0643, P0653, and P0699.When the PCM detects an open circuit in the ‘A’ reference voltage circuit, it stores the P0641 code and may trigger the check engine light on your Chevy HHR. Keep in mind that the P0641 code is a generic trouble code, which means it applies to all model years of the Chevy HHR built after for the 1996 model year and up.Jul 17, 2022 · The cost to diagnose the P0641 2015 Chevrolet Silverado code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour. Oct 26, 2017 · DTCs P0641, P0651, P0697, and P06A3 are Type A DTCs. Diagnostic Aids. P0641. The 5V reference 1 circuit provides 5 V circuits to the following sensors: Air conditioning (A/C) refrigerant pressure sensor. Exhaust and intake camshaft position sensors. Fuel tank pressure sensor. Multifunction intake air sensor. P0651. Chevy 2009 Cobolt. My fault code is p0641. along with a reduced power indication from odometer led display. Really confused on this one. in looking up the sensors attached to this 5v reference to ecm, … read moreThe P0641 code, one of the problems within the engine control module (ECM) or PCM, indicates that there’s a very specific voltage problem within the 5-volt reference circuit, …Aug 21, 2023 · When the PCM detects an open circuit in the ‘A’ reference voltage circuit, it stores the P0641 code and may trigger the check engine light on your Chevy Spark. Keep in mind that the P0641 code is a generic trouble code, which means it applies to all model years of the Chevy Spark built after for the 1996 model year and up. 1. As I was driving today, most of the day was good. Then as I was turning a corner, the yukon just died. I get all the dic messages, but borrowing a code reader …common failure location in the gmc car misfiring sometimes air-condition not working because 5volt shortWhen the PCM detects an open circuit in the ‘A’ reference voltage circuit, it stores the P0641 code and may trigger the check engine light on your Chevy Malibu. Keep in mind that the P0641 code is a generic trouble code, which means it applies to all model years of the Chevy Malibu built after for the 1996 model year and up.When the PCM detects an open circuit in the ‘A’ reference voltage circuit, it stores the P0641 code and may trigger the check engine light on your Chevy Cobalt. Keep in mind that the P0641 code is a generic trouble code, which means it applies to all model years of the Chevy Cobalt built after for the 1996 model year and up.The great American sports car is going electric. GM shared the news this morning, and released the first images of the upcoming electric Chevrolet Corvette. The great American spor...#1 · Sep 3, 2013. I have a 2009 Sierra SLT 4x4. Recently starting giving me a check engine. Only code is P0641. Happened once, I reset it and didn't come back for a few months. …Location: Arkansaw. Posts: 54. p0641. Ok, so I'm having trouble with a p0641 code that is also throwing codes for each sensor on that 5v reference circuit. I did a cam swap about a year ago and haven't driven the car just a whole lot, but have put several thousand miles on it and have done an oil change. BTR stage 4, putting down about 472 …2003 Chevy Silverado 2500hd 2x4 6.0L gas, starts but stalls 2-3 seconds will restart and stall. code P0641 open 5volt circuit comes on. can you please help me understand where to start … read moreP0741 is a very common trouble code. It's know to affect the Chevy Silverado quite often. Here's what it means: P0741: Torque Converter Clutch Circuit → Performance or Stuck Off The Silverado uses a clutch in the torque converter to lock the engine and transmission together at highway speed. P0741 can register whenever this connectionStep 3: Inspect sensors and wiring harness. Inspect all the sensors associated with the P0641 code, making sure to check for any visible damage, corrosion, or loose connections. Additionally, examine the wiring harness and connectors for signs of wear or disconnections, as these could also contribute to the problem.=====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====nonda Auto DIY Center is the biggest ...DTC P0641. 1. Disconnect the MAP sensor electrical connector. 2. With the ignition ON and the engine OFF, measure for 4.8-5.2 volts from the 5-Volt reference circuit of the MAP sensor to ground with a DMM. - If the voltage is more than 5.2 volts, test for a short to voltage on the 5-Volt reference circuits of all the sensors connected to the 5 ...The Chevy’s rear axle code contains information on the vehicle’s gear ratio, date of manufacture and the rear axle assembly plant. The prefix on the code consists of two letters fo...To diagnose the P0641 GMC code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.C6 Scan & Tune - Car throwing P0641 code - interpretation??? - My car went into reduced engine power mode recently so I pulled codes and it had one, P0641. My code reader interpretted it as Sensor A reference Voltage Circuit/Open . ... CorvetteForum - Chevrolet Corvette Forum Discussion; C6 Corvette, 2005 - 2013; C6 Scan & Tune; Car …P069E code indicates that the FPCM has identified an issue in the fuel system and is requesting the PCM turn on the check engine light. The FPCM supplies and regulates the voltage that goes to the fuel pump and the fuel pump relay. It can be a stand-alone module or a computer integrated into the PCM. Usually, the FPCM is a stand …When the PCM detects an open circuit in the ‘A’ reference voltage circuit, it stores the P0641 code and may trigger the check engine light on your Chevy Avalanche. Keep in mind that the P0641 code is a generic trouble code, which means it applies to all model years of the Chevy Avalanche built after for the 1996 model year and up.The Chevy’s rear axle code contains information on the vehicle’s gear ratio, date of manufacture and the rear axle assembly plant. The prefix on the code consists of two letters fo... Labor: 1.0. The cost to diagnose the P0641 2018 Chevrolet Silverado code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour. Search for P0641 2018 Chevrolet Silverado ... When the PCM detects an open circuit in the ‘A’ reference voltage circuit, it stores the P0641 code and may trigger the check engine light on your Chevy Spark. Keep in mind that the P0641 code is a generic trouble code, which means it applies to all model years of the Chevy Spark built after for the 1996 model year and up.When the PCM detects an open circuit in the ‘A’ reference voltage circuit, it stores the P0641 code and may trigger the check engine light on your Chevy Cruze. Keep in mind that the P0641 code is a generic trouble code, which means it applies to all model years of the Chevy Cruze built after for the 1996 model year and up.Chevy 2009 Cobolt. My fault code is p0641. along with a reduced power indication from odometer led display. Really confused on this one. in looking up the sensors attached to this 5v reference to ecm, it covers a wide range of sensors. I am beginning to think on thre line of MAP sensor due to the fault reoccures at speeds of …Chevy Mechanic: Greg. Richard Probable Causes for this code P0641. A/C Refrigerant Pressure (ACP) Sensor. Camshaft Position (CMP) Exhaust Sensor. Camshaft Position (CMP) Intake Sensor. Engine Control Module (ECM)Fuel Pressure Sensor. Fuel Pump Control Module (FPCM) Fuel Tank Pressure (FTP) Sensor. Intake Manifold …The P0641 slowly drained my battery from 12.7 volt to 7 volt in a week. The good news, I found schematic & localized the issue. The voltage on exhaust camshaft position sensor, intake camshaft position sensor and fuel tank pressure sensor is too high - …I have a 2011 Chevy Silverado 5.3. Trouble codes p0651 p2135. The truck is in power reduction mode. ... 2009 Suburban LT 4x4 5.3 Flex fuel engine. I swapped the ECM a few months ago due to a Po641 code and the truck not coming out of a limp-home mode. When that one happened it would show trouble codes f ...This code is caused by incorrect reference voltage, higher or lower than 5 volts. Some sensors use the same reference source with separate outputs from the sensor. I would check for bad connections, damaged wires and lose grounds. These new vehicles are so picky! 03 GMC Sierra 2500HD. Single Cab, Long Bed 4x4.Chevy 2009 Cobolt. My fault code is p0641. along with a reduced power indication from odometer led display. Really confused on this one. in looking up the sensors attached to this 5v reference to ecm, it covers a wide range of sensors. I am beginning to think on thre line of MAP sensor due to the fault reoccures at speeds of …The P0641 code says : "Sensor Reference Voltage A Circuit/Open" and the C0242 code says:" PCM indicated TCS Malfunction - invalid serial data received" . I've had so much trouble navigating all the things that could be wrong. It's only my first car and I don't really have anyone who can help me. I can't afford a new car and I love my car.Chevy impala ghost machine Chevy silverado p0741 obdii code diagnosis P0641 code Silverado p0741 quite trouble. Fix Engine; Po641 Chevy Silverado 23 Nov 2023. Chevy silverado p0446 obdii code diagnosis Silverado gmc z71 autotrader trims 16-na-102: duramax diesel hard start, no start, dtcs p0087, p0088 ...The automobile fault code P0651 indicates a problem with the Engine Control Module (ECM). Symptoms may include various electrical issues or a malfunctioning engine. The cause of this fault code can be a faulty ECM, an open or shorted ECM harness, poor electrical connections in the ECM circuit, or a shorted sensor on the 5-volt circuit. To fix ...When the PCM detects an open circuit in the ‘A’ reference voltage circuit, it stores the P0641 code and may trigger the check engine light on your Chevy HHR. Keep in mind that the P0641 code is a generic trouble code, which means it applies to all model years of the Chevy HHR built after for the 1996 model year and up.

Vehicle Information: 2007 Chevrolet Tahoe LT 5.3L Issue + Repair History: The vehicle had several codes, including P0641, P0606, P0532, and P0107. Codes would sometimes clear and not return for a couple of days.. Global lending services grace period

po641 code chevy

9 posts · Joined 2015. #1 · Feb 2, 2016. Anyone ever experience an intermittent ABS, Service ESC, Service Traction Control lights coming on all at once? I have a 2008 Chevy Malibu 2LT with 3.6L V6, and recently I have had these lights come on. So I took the car to the dealer and had the Body Control Module recall completed and …Mar 2, 2017 · 2003 Chevy Silverado 2500hd 2x4 6.0L gas, starts but stalls 2-3 seconds will restart and stall. code P0641 open 5volt circuit comes on. can you please help me understand where to start … read more This 2008 GMC Yukon came in with the complaint of reduced power and the vehicle could not be driven over about 35 mph. There were a lot of codes stored but the only one of real relevance was Code P0641 Symptom 00, 5 volt reference circuit 1. I looked at data under the TAC section of the PCM and found the circuit reading fluctuating …When the PCM detects an open circuit in the ‘A’ reference voltage circuit, it stores the P0641 code and may trigger the check engine light on your Chevy Spark. Keep in mind that the P0641 code is a generic trouble code, which means it applies to all model years of the Chevy Spark built after for the 1996 model year and up.After a google search on the P0641 code, I found a troubleshooting chart that says if the voltage at the throttle position sensor is lower than it should be, to disconnect the Fuel rail pressure sensor and check the voltage again. ... Chevy 04.5 LLY, 2X, shell, XDR, MikeL Heavy duty up-grade, 6spd, TransGo, deep pan, de-badged, 65 …I got this off a silverado forum: [FONT=&quot]"P0641 is a 5 volt reference circuit 1 code. [/FONT] I can tell you from personal experience a P0641 is a nightmare. That 5v reference circuit runs about 12 different sensors. Most of the cases I have work on have turned out to be chafed wires near the ECM.The PCM monitors the voltage on the 5-volt reference circuit. If the PCM detects that the voltage is out of tolerance, DTC P0641 sets. The engine is running. - The PCM detects a voltage out of tolerance condition on the 5-volt reference circuit. - The above condition is present for longer than 2 seconds.Getting P0641 code...Sensor Reference Voltage A Circuit Open from my scanner...studied up and online stuff too...5 volt - Answered by a verified Chevy Mechanic. ... 1987 chevy pickup with 4.3 new plugs, wires, dist cap, coolant temp sensor, egr valve, o2 sensor,map sensor, iac valve,egr vacuum solenoid Ireplaced all of these when I …The P0641 slowly drained my battery from 12.7 volt to 7 volt in a week. The good news, I found schematic & localized the issue. The voltage on exhaust camshaft position sensor, intake camshaft position sensor and fuel tank pressure sensor is too high - …The 2020 Chevrolet Silverado is a fabulous choice if you’re searching for a reliable full-size pickup truck. Why? Because the Silverado is ranked in third place on the US News site...9 posts · Joined 2015. #1 · Feb 2, 2016. Anyone ever experience an intermittent ABS, Service ESC, Service Traction Control lights coming on all at once? I have a 2008 Chevy Malibu 2LT with 3.6L V6, and recently I have had these lights come on. So I took the car to the dealer and had the Body Control Module recall completed and …Summary. The P0651 code stands for “Sensor Reference Voltage “B” Circuit/Open.”. It’s triggered when the powertrain control module (PCM) detects issues with the 5-volt reference signal. Blown fuses or fusible links are possible causes for the code. Rough running and misfires are two symptoms to keep an eye out for.That is why I was asking if the pedal sensor would throw a P0641 Code. Reference Circut 1. Chevy Mechanic: Tim's Auto Repair. yes, it could be the pedal sensor. Ask Your Own Chevy Question. Chevy Mechanic: Tim's Auto Repair. also another thing the hard jar may have effected is the fuel pump pressure control module.I'm having the same problem I have the codes p0641 p0643 and p0340. I have the reduced engine power warning service stabil track and I have the loss of oil pressure as well. I have checked voltage at the map sensor, tp sensor, op sensor and have around 4.82v to those ones. I checked the cam position sensor and no voltage at all.A P0641 code means that your Chevy Silverado’s Powertrain Control Module (PCM) has detected an issue with the 5-volt reference circuit voltage, which may be higher or lower than expected. This circuit feeds into multiple engine sensors such as the Engine Oil Pressure Sensor, the Fuel Rail Pressure Sensor, the A/C refrigerant pressure sensor ....

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