OBDII Codes Engine Light Definitions Diagnostic Repair | AutoCodesDiagnostic test P0132,P0138,P0152,P0158, O2 Sensor Circuit High. Step 1. Check for an active DTC. If an O2 sensor signal circuit is shorted to voltage, all O2 sensor voltage readings displayed on the scan tool will be approximately 5.0 volts. Diagnose the sensor that set the most current DTC.2013 2500HD P0158 and P2273. Today my CEL came on, so I hooked up one of those cheap OBD2 bluetooth things and read the code on my phone with Torque Lite. It is showing two codes, P0158 and P2273. Bank 2, sensor 2 voltage high and Bank 2 Sensor 2 stuck rich.P0158 is an OBDII code that occurs in many vehicles, including the Chevy Trailblazer. The code is triggered when: The voltage at the O2 sensor remains above threshold for 20 seconds or more; Voltage to the sensor is to high (wiring problem, think short) Bad O2 sensor itself; There are also some less likely problems that can cause …2011-2016 Cruze 1.4 PCV Valve Cover/Intake Manifold Issues. Potential causes for this code, P0106, to set are: Defective O2 sensor (s) Burnt, broken, or disconnected wiring and/or connectors. Defective catalytic converter. Engine exhaust leaks. Read more at: P015B O2 Sensor Delayed Response - Lean to Rich (Bank 1 Sensor 1) A code P0171 may mean ...What Does the Engine Code P0158 Mean? Character "P" in the first position of Diagnostic Trouble Code (DTC) represents the powertrain system (engine and transmission), "0" in the second position means that this is a generic OBD-II (OBD2) DTC. "1" in the third character position in a DTC indicates that the fuel and air metering and auxiliary emission controls is experiencing a malfunction.P0138 is a common OBDII code that occurs in many vehicles, including the Chevy Silverado. The code is triggered when: The voltage at the sensor remains above threshold for 20 seconds or more. Voltage to the sensor is to high (wiring problem, think short) Bad O2 sensor itself. There are also some less likely problems that can cause P0138.This video will show you how to fix check engine light trouble code is P0158 high voltage Bank 2 sensor 2 oxygen sensor on any Honda and Acura vehicle J Seri...Dec 14, 2019 · P0140 P0138 Code Chevy Truck, If you have a P0140 or a P0138 code in your chevy truck this video is for you. I will be showing you a few things you should ch... 30 Sept 2017 ... General Chevy Traverse Discussions · ekwarder Jan 1, 2018 · Error code P0158 and P0056. 2010 Traverse LT. I know that the code p0158 is o2 ...Auto brands may include but are not limited to Hyundai, Ford, Jeep, Chevy, BMW, Kia, Holden, Dodge, etc. However, specific troubleshooting steps will vary depending on the vehicle. This P2273 diagnostic trouble code (DTC) refers to the post-catalytic converter O2 (oxygen) sensor on bank #2, sensor #2. This post-cat sensor is used for monitoring ...=====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====Engine Code P0152 Saving Repair Parts...A popular car modification is the stereo system. Replacing the stereo enables the car owner to add an aftermarket stereo with a number of features such as MP3 players, Bluetooth co...This allows the system to enter Closed Loop earlier and the ECM to calculate the air-to-fuel ratio sooner. The Diagnostic Trouble Code (DTC) will be set when the ECM detects that the heated oxygen sensor is shorted to ground if the HO2S voltage is less than 50 mV. P0131 Chevrolet Code - HO2S Circuit Low Voltage Bank 1 Sensor 1.OBD-II Code P0158 is defined as a OBD II P0158 Oxygen Sensor Circuit high Voltage (Bank 2 Sensor 2) The rear Oxygen Sensor is located in the exhaust system behind the catalytic converter (s). It sends critical feedback data to the Power Train Control Module or (PCM) that tracks the operational efficiency of the Catalytic Converter.Chevy Cobalt P0158 Causes. Here are the most common issues that cause the P0158 code in the Chevy Cobalt. They are presented in order (somewhat) of most to least likely to cause the problem. Bad Oxygen Sensor– The O2 sensor itself is one of the most likely reasons that P0158 is triggering your service engine soon light. Although it is …Got 2011 Chevy 2500HD Silverado-LTZ-with 6.0 LS gas engine-got bunch of trouble codes all for both rear O2 sensors-codes p0036-p0138-p013E-p0140-p0141-p014A-p0158-p0160—went thru connections all wirin …4 Sept 2019 ... Chevy Astro Van Blower Motor Fuse Keeps Popping - Solved! ... Chevy Astro Van Blower Motor Resistor ... Oxygen Sensor Faults P0153 & P0158 Diagnosis.The P0132 code indicates that there is a high voltage issue on your Oxygen sensor or Bank 1. This code occurs when the powertrain control module (PCM) detects that the oxygen sensor’s voltage reading is too high. In some cases, the code sets because the isn’t responding quickly enough to adjust for the air-fuel mixture in the combustion ...P0138 definition: O2 Sensor Circuit High Voltage (Bank 1, Sensor 2) Issue Severity: MODERATE – Extended driving with this code can cause internal engine damage. Repair Urgency: Get this code fixed withing the next month to prevent internal engine damage. Diagnosis: It is important to complete the entire diagnostic process when diagnosing the ...When an OBD-II equipped vehicle has a stored P013A code, it means that the powertrain control module (PCM) has detected a slow response time from the downstream (or post catalytic converter) oxygen (O2) sensor or circuit for engine bank one. Bank 1 specifies the bank of the engine which contains the number one cylinder.What Does Code P0158 Mean? Symptoms of Code P0158; Causes of Code P0158; Is Code P0158 Serious? How to Fix #1 – Use Symptoms to Pinpoint the Problem …OBD-II code P0158 refers to a fault in the oxygen sensor circuit, bank 2 sensor 2. Possible causes for this issue are: Failed oxygen sensor Wiring issues in the oxygen sensor circuit Fuel system issues, such as a clogged fuel injector or low fuel pressure Engine performance issues, such as a vacuum leak or incorrect ignition timing To solve ...Since a P014A code means that an O2 sensor has remained slow or unresponsive for an extended period of time, it should be categorized as severe. Symptoms of this code may include: Lowered fuel efficiency. A general lack engine performance. Other related diagnostic trouble codes may also be stored. Service engine soon lamp illumination.A: P0158 is an OBD-II code that indicates an issue with the oxygen sensor circuit in bank 2, sensor 2 on the Chevy Silverado. This can be caused by a variety of issues, including a damaged oxygen sensor, faulty heater circuit or connections, malfunctioning exhaust gas recirculation system, engine coolant temperature issues and a defective mass ...P0158 Chevrolet HO2S Circuit High Voltage Bank 2 Sensor 2 P0158 Chrysler O2 Sensor 2/2 Circuit High P0158 Dodge O2 Sensor 2/2 Circuit High P0158 …HO2S Heater Control Circuit (Bank 2 Sensor 1) Power Train Code: P0059. (HO2S) Heater Resistance (Bank 2 Sensor 1) Power Train Code: P0154. 02 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) Power Train Code: P0155. (HO2SHTR21) Heater Circuit Malfunction. Power Train Code: P1175. UNKNOWN - refer to manufacturer's …Common mistakes when diagnosing the P2273 code. Often, the mistake is made of replacing the wrong oxygen (O2) sensor. This particular code refers to the Bank 2 Sensor 2 oxygen (O2) sensor. A common mistake that is made when diagnosing this code is overlooking faulty wiring and/or connectors or neglecting to inspect for vacuum leaks.Code P0158 refers to a malfunction of the oxygen sensor O₂. Which is after the catalytic converter on bank 2 sensor 2. The error indicates the signal voltage is too high. The …Summary. The P0152 code stands for “O2 Sensor Circuit High Voltage (Bank 2, Sensor 1),” which typically means the pre-catalytic converter oxygen (O2) sensor’s voltage signal has been out of the set range for longer than a specified amount of time. Some possible causes of the P0152 code include a faulty O2 sensor, malfunctioning wiring or ...The P0138 DTC is a generic trouble code that says the oxygen sensor circuit (Bank 1, Sensor 2) is exhibiting higher voltage than normal. The Powertrain Control Module (PCM) detects that the voltage coming from the sensor is higher than what the manufacturer specs illustrate. This heated oxygen sensor is found at the back of the catalytic converter.Meet the Experts. I have a code p0758 and my truck went into limp mode. Its a 00 s10 4.3 auto. I changed the shift solenoid, changed the - Answered by a verified Chevy Mechanic.Oct 3, 2023 · This allows the system to enter Closed Loop earlier and the ECM to calculate the air-to-fuel ratio sooner. The Diagnostic Trouble Code (DTC) will be set when the ECM detects that the HO2S voltage is greater than 1, 050 mV. P0138 Chevrolet Code - HO2S Circuit High Voltage Bank 1 Sensor 2. Again, determine which bank is which first or you’ll waste a lot of time and effort. O2 sensor 1/1 is the upstream sensor on Bank 1 (different for a Ford than for a Chevy or a Dodge), and O2 sensor 1/2 is the downstream sensor on Bank 1. O2 2/1 is upstream on Bank 2 and O2 2/2 is downstream on Bank 2.The P0175 code means that more gasoline is detected in the exhaust gases exiting the combustion chamber. If the P0175 is set in along with the P0172 code, it is highly likely that the problem is caused by leaking fuel injectors. If there are no leaking fuel injectors, the next step is to replace the air filter and clean the Mass Air Flow (MAF ...8 Sept 2020 ... I took it to my local Chevy dealer and they replaced the intake manifold and the valve cover. When I got the Cruze home, the check engine ...Auto brands may include but are not limited to Hyundai, Ford, Jeep, Chevy, BMW, Kia, Holden, Dodge, etc. However, specific troubleshooting steps will vary depending on the vehicle. This P2273 diagnostic trouble code (DTC) refers to the post-catalytic converter O2 (oxygen) sensor on bank #2, sensor #2. This post-cat sensor is used for monitoring ...25 Oct 2019 ... Here's how to fix an oxygen sensor on the Chevy Captiva. I show you how to replace an O2 Sensor on the Chevy Captiva, but this may be ...This allows the system to enter Closed Loop earlier and the ECM to calculate the air-to-fuel ratio sooner. The Diagnostic Trouble Code (DTC) will be set when the ECM detects that the heated oxygen sensor is shorted to ground if the HO2S voltage is less than 50 mV. P0131 Chevrolet Code - HO2S Circuit Low Voltage Bank 1 Sensor 1.For example, the fix for a P0154 code in a Chevy may not work for a P0154 in a Honda. See also P0138 Code: O2 Sensor Circuit High Voltage (Bank 1, Sensor 2) The best advice would be to let your trusted mechanic do the work for you.2011-2016 Cruze 1.4 PCV Valve Cover/Intake Manifold Issues. Potential causes for this code, P0106, to set are: Defective O2 sensor (s) Burnt, broken, or disconnected wiring and/or connectors. Defective catalytic converter. Engine exhaust leaks. Read more at: P015B O2 Sensor Delayed Response - Lean to Rich (Bank 1 Sensor 1) A …2011-2016 Cruze 1.4 PCV Valve Cover/Intake Manifold Issues. Potential causes for this code, P0106, to set are: Defective O2 sensor (s) Burnt, broken, or disconnected wiring and/or connectors. Defective catalytic converter. Engine exhaust leaks. Read more at: P015B O2 Sensor Delayed Response - Lean to Rich (Bank 1 Sensor 1) A …Diagnostic test P0132,P0138,P0152,P0158, O2 Sensor Circuit High. Step 1. Check for an active DTC. If an O2 sensor signal circuit is shorted to voltage, all O2 sensor voltage readings displayed on the scan tool will be approximately 5.0 volts. Diagnose the sensor that set the most current DTC.Common causes of a P0455 code in a Chevy Silverado include a loose or missing fuel cap, a damaged fuel filler neck, a faulty charcoal canister, a faulty purge valve, a faulty vent valve, a faulty fuel tank pressure sensor, or a damaged or worn out EVAP hose. In some cases, an incorrect fuel cap may also cause a P0455 code.Getting same codes: P0138 and P0158 as well as P013A and P013C. Engine running good. No misfiring. O2 Sensor. Mechanic's Assistant: I understand that you have replaced the downstream sensors and are still experiencing the same trouble codes, but the Chevy Mechanic will be able to help you diagnose and resolve this issue. Have you checked the ...P0138 is a common OBDII code that occurs in many vehicles, including the Chevy Express. The code is triggered when: The voltage at the sensor remains above threshold for 20 seconds or more. Voltage to the sensor is to high (wiring problem, think short) Bad O2 sensor itself. There are also some less likely problems that can cause P0138.Again, determine which bank is which first or you’ll waste a lot of time and effort. O2 sensor 1/1 is the upstream sensor on Bank 1 (different for a Ford than for a Chevy or a Dodge), and O2 sensor 1/2 is the downstream sensor on Bank 1. O2 2/1 is upstream on Bank 2 and O2 2/2 is downstream on Bank 2.P0152 trouble code definition. O2 Sensor Circuit High Voltage (Bank 2 Sensor 1) What the P0152 code means. P0152 is the OBD-II generic code indicating that the O2 sensor for bank 2 sensor 1 fails to have a lower voltage output below 1.2 volts for more than 10 seconds indicating a lack of oxygen in the exhaust stream or a short to power in the …Got 2011 Chevy 2500HD Silverado-LTZ-with 6.0 LS gas engine -got bunch of trouble codes all for both rear O2 sensors-codes p0036-p0138-p013E-p0140-p0141-p014A-p0158-p0160—went thru connections all wiring good-did continuity and voltage test (used rc car battery with 11.33 volts)-battery discounted while test wiring-no breaks—next went and ...Jan 13, 2019 · P0161 is a very common OBDII code that occurs in the Chevy Silverado. It is typically caused by a failure in one of the elements that heat the oxygen sensors, specifically bank 2 sensor 2. Replacing the Oxygen sensor will fix the problem a majority of the time. Some of the other causes of P0161. Got 2011 Chevy 2500HD Silverado-LTZ-with 6.0 LS gas engine-got bunch of trouble codes all for both rear O2 sensors-codes p0036-p0138-p013E-p0140-p0141-p014A-p0158-p0160—went thru connections all wirin …P0158 is an OBD-II Code that refers to 02 Sensor Circuit High Voltage (Bank 2, Sensor 2) Meaning. A P0002 code is the result of the ECM (Engine Control Module) receiving a signal when the sensor has remained at a high voltage for too long. The oxygen sensor is positioned behind the catalytic converter.The most likely cause is a defective oxygen sensor. If the oxygen sensor shorts out when it fails, you can end up with a code P0158. Other potential causes include a defective oxygen sensor heater circuit, excessive fuel pressure, wiring issues, or even a faulty engine coolant temperature sensor! Finally, while it’s unlikely, it is possible ...P0138 definition: O2 Sensor Circuit High Voltage (Bank 1, Sensor 2) Issue Severity: MODERATE – Extended driving with this code can cause internal engine damage. Repair Urgency: Get this code fixed withing the next month to prevent internal engine damage. Diagnosis: It is important to complete the entire diagnostic process when diagnosing the ...2409 posts · Joined 2011. #2 · May 17, 2012. P0137 Oxygen Sensor Circuit Low Voltage (Bank 1, Sensor 2) P0138 Oxygen Sensor Circuit High Voltage (Bank 1, Sensor 2) P0157 Oxygen Sensor Circuit Low Voltage (Bank 2, Sensor 2) P0158 Oxygen Sensor Circuit High Voltage (Bank 2, Sensor 2) From these codes I'm going to say it's not the sensors ...The most likely cause is a defective oxygen sensor. If the oxygen sensor shorts out when it fails, you can end up with a code P0158. Other potential causes include a defective oxygen sensor heater circuit, excessive fuel pressure, wiring issues, or even a faulty engine coolant temperature sensor! Finally, while it’s unlikely, it is possible ...Hi Im David, P0161 CHEVROLET - HO2S Heater Performance Bank 2 Sensor 2 Possible causes - Faulty Rear Heated Oxygen Sensor Bank 2 - Rear Heated Oxygen Sensor Bank 2 harness is open or shorted - Rear Heated Oxygen Sensor Bank 2 circuit poor electrical connection - Inappropriate fuel pressure - Faulty fuel injectors - Intake air leaks - Exhaust gas leaks P0158 CHEVROLET - HO2S Circuit High ...OBDII Codes Engine Light Definitions Diagnostic Repair | AutoCodesThe P2273 fault code in automobiles indicates a problem with the Heated Oxygen Bank 2 Sensor 2. Symptoms may include decreased fuel efficiency and engine performance. The cause of this fault code could be a faulty sensor, poor electrical connection, fuel system pressure issues, fuel contamination, or exhaust vacuum leaks.American-made Chevrolet is one of the best-selling brands in the United States. If you are in the market for a used Chevy, whether a sedan, truck, SUV or sports car, this article h...Common mistakes when diagnosing the P2273 code. Often, the mistake is made of replacing the wrong oxygen (O2) sensor. This particular code refers to the Bank 2 Sensor 2 oxygen (O2) sensor. A common mistake that is made when diagnosing this code is overlooking faulty wiring and/or connectors or neglecting to inspect for vacuum leaks.Mar 18, 2019 · P0158 is an OBDII code that occurs in many vehicles, including the Chevy Traverse. The code is triggered when: The voltage at the O2 sensor remains above threshold for 20 seconds or more. Voltage to the sensor is to high (wiring problem, think short) Bad O2 sensor itself. There are also some less likely problems that can cause P0158. OBD-II Code P0158 is defined as a OBD II P0158 Oxygen Sensor Circuit high Voltage (Bank 2 Sensor 2) The rear Oxygen Sensor is located in the exhaust system behind the catalytic converter (s). It sends critical feedback data to the Power Train Control Module or (PCM) that tracks the operational efficiency of the Catalytic Converter.To diagnose the P0158 2014 Chevrolet Silverado 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.The o2 sensors are very important to proper operation of the engine. Problems with them can cause the PCM to add or take away too much fuel based on the faulty o2 sensor voltage. A P0152 code refers to the Bank 2, sensor 1, o2 sensor. (Bank 1 would contain cylinder 1 and bank 2 is the opposite bank. Bank 2 doesn't necessarily contain cylinder 2 ...Car shoppers, take note: The Chevy Volt has received a $4,400 price cut amid low sales and a new model. By clicking "TRY IT", I agree to receive newsletters and promotions from Mon...The P0175 code means that more gasoline is detected in the exhaust gases exiting the combustion chamber. If the P0175 is set in along with the P0172 code, it is highly likely that the problem is caused by leaking fuel injectors. If there are no leaking fuel injectors, the next step is to replace the air filter and clean the Mass Air Flow (MAF ...16448 posts · Joined 2013. #11 · Aug 27, 2022. Still getting P015B and now P015D codes. The light was on for a day or two and gone now, but I just checked and both codes came up. Any suggestions? 2013 Silverado 1500 LT, …To add coolant to a Chevy Malibu, dilute the coolant with equal parts coolant and water, then pour the coolant-water mixture into the vehicle’s coolant reservoir. The coolant reser...Nov 20, 2019 · Today we're going over the steps on how to locate, test and replace an oxygen sensor. Specifically, we're dealing with sensor 2, which is located after the c... OBDII Codes Engine Light Definitions Diagnostic Repair | AutoCodesP0158 is an OBDII code that occurs in many vehicles, including the Chevy Trailblazer. The code is triggered when: The voltage at the O2 sensor remains above threshold for 20 seconds or more; Voltage to the sensor is to high (wiring problem, think short) Bad O2 sensor itself; There are also some less likely problems that can cause P0158.Code P0158 refers to a malfunction of the oxygen sensor O₂. Which is after the catalytic converter on bank 2 sensor 2. The error indicates the signal voltage is too high. The …This allows the system to enter Closed Loop earlier and the ECM to calculate the air-to-fuel ratio sooner. The Diagnostic Trouble Code (DTC) will be set when the ECM detects that the heated oxygen sensor is shorted to ground if the HO2S voltage is less than 50 mV. P0131 Chevrolet Code - HO2S Circuit Low Voltage Bank 1 Sensor 1.Auto brands may include but are not limited to Hyundai, Ford, Jeep, Chevy, BMW, Kia, Holden, Dodge, etc. However, specific troubleshooting steps will vary depending on the vehicle. This P2273 diagnostic trouble code (DTC) refers to the post-catalytic converter O2 (oxygen) sensor on bank #2, sensor #2.P2273 is a generic trouble code that indicates a possible problem with the oxygen sensor’s signal. Code P2273 is set once the signal that’s sent by the oxygen sensor is stuck rich. This usually means that there’s inadequate air in the exhaust. The oxygen sensor signal is designed to fluctuate within a given voltage range.P0138 is a common OBDII code that occurs in many vehicles, including the Chevy Camaro. The code is triggered when: The voltage at the sensor remains above threshold for 20 seconds or more. Voltage to the sensor is to high (wiring problem, think short) Bad O2 sensor itself. There are also some less likely problems that can cause …What causes the P0154 code? Vacuum leaks. Bad oxygen sensor bank 2 sensor 1. Holes in the exhaust, or air leaks in the intake. Broken wires or bare wires leading to the 02 oxygen sensor. Wiring to the sensor rubbing on exhaust components. Oil and water in the oxygen sensor connector. Oil or coolant in the exhaust system fouling out the oxygen ...OBDII Codes Engine Light Definitions Diagnostic Repair | AutoCodesChevy Cobalt P0158 Causes. Here are the most common issues that cause the P0158 code in the Chevy Cobalt. They are presented in order (somewhat) of most to least likely to cause the problem. Bad Oxygen Sensor– The O2 sensor itself is one of the most likely reasons that P0158 is triggering your service engine soon light. Although it is …P0030 Definition: Heater Control – Circuit – B1S1. P0030 indicates no signal coming from your Chevy Silverado’s Bank1 Sensor 1 oxygen sensors heater circuit. The heated element within the oxygen sensor heats the sensor faster than the exhaust can. The heated element reduces emissions by letting the fuel trim enter closed loop operation ...P0158. 2017-10-10. Description: The fault code P0158 indicates that the oxygen sensor circuit for bank 2, sensor 2 is experiencing high voltage.For about the last 2000 miles my 2012 Cruze Eco has been showing multiple codes including P015B, P0106, P1101. I am currently at 47980 miles. Previously there were some codes related to O2 sensor and the Chevy dealer told me that the sensor replacement was not covered by warranty. Based on that information …
2409 posts · Joined 2011. #2 · May 17, 2012. P0137 Oxygen Sensor Circuit Low Voltage (Bank 1, Sensor 2) P0138 Oxygen Sensor Circuit High Voltage (Bank 1, Sensor 2) P0157 Oxygen Sensor Circuit Low Voltage (Bank 2, Sensor 2) P0158 Oxygen Sensor Circuit High Voltage (Bank 2, Sensor 2) From these codes I'm going to say it's not the sensors .... Aroma hill dispensary belvidere
In this video I look at a 2009 Chevrolet Traverse that came in with some O2 sensor problems. The customer and a friend of his have been struggling to get th...Here are some possible fixes: First, the code tells you that there is an issue with the oxygen sensor. It detects an abnormally high percentage of oxygen in the exhaust gas and then drops its voltage. The most common cause of P0137 is a faulty downstream oxygen sensor. Listed below are common causes and solutions.P0138 is a common OBDII code that occurs in many vehicles, including the Chevy Silverado. The code is triggered when: The voltage at the sensor remains above threshold for 20 seconds or more. Voltage to the sensor is to high (wiring problem, think short) Bad O2 sensor itself. There are also some less likely problems that can cause P0138.P0158 Chevrolet HO2S Circuit High Voltage Bank 2 Sensor 2 P0158 Chrysler O2 Sensor 2/2 Circuit High P0158 Dodge O2 Sensor 2/2 Circuit High P0158 …OBD2 Diagnostic Trouble Code P0158 means that O2 Sensor Circuit High Voltage (Bank 2 Sensor 2) has been detected. Carly Universal Scanner. iOS and Android enabled. All …P0158 is an OBDII code that occurs in many vehicles, including the Chevy Cruze. The code is triggered when: The voltage at the O2 sensor remains above threshold for 20 seconds or more. Voltage to the sensor is to high (wiring problem, think short) Bad O2 sensor itself. There are also some less likely problems that can cause P0158.Tech Notes. The P0175 code means that more gasoline is detected in the exhaust gases exiting the combustion chamber. If the P0175 is set in along with the P0172 code, it is highly likely that the problem is caused by leaking fuel injectors. If there are no leaking fuel injectors, the next step is to replace the air filter and clean the Mass Air ...An "over reporting" Mass Air Flow Sensor can be a common cause of a code P0172 and P0175. Essentially, this means that the Air Flow Sensor is telling the computer that much more air is entering the engine than actually is. Based on this large amount of air entering the engine, the engine computer or PCM sprays more fuel into the combustion ...Today we're going over the steps on how to locate, test and replace an oxygen sensor. Specifically, we're dealing with sensor 2, which is located after the c...P0158 is an OBDII code that occurs in many vehicles, including the Chevy Silverado. The code is triggered when: The voltage at the O2 sensor remains above threshold for 20 seconds or more. Voltage to the sensor is to high (wiring problem, think short) Bad O2 sensor itself..
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