What does the GMC code p0102 mean?
P0102 GMC Meaning The Mass Air Flow (MAF) sensor measures the amount of air ingested by the engine. The direct measurement of the air entering the engine is more accurate than calculating the airflow from the Manifold Absulte Pressure (MAP), the Intake Air Temperature (IAT), and the engine speed (speed/density).
Why do I have a p0171 code on my car?
The P0171 code could also be caused may be caused by one or more of the following: debris on MAF sensor causing an incorrect reading, improper oil level, low or high fuel pressure or Engine Control Temperature (ECT) Sensor reading inaccurate.
What causes the p0107 OBD-II trouble code?
P0107 is the general code for a problem with the MAP circuit sensor having too low voltage input to the Engine Control Unit (ECU). This means the voltage input to the ECU is.5 volt or less which means that it is not in the correct lower range for proper engine operation. What causes the P0107 code?
How to test the GM MAF sensor ( p0100 )?
P0101: Mass Air Flow (MAF) Sensor Circuit Range/Performance Problem. P0102: Mass Air Flow (MAF) Sensor Circuit Low Input. P0103: Mass Air Flow (MAF) Sensor Circuit High Input. Lean and/or Rich Diagnostic Trouble code (s).
What does the p0171 code on a GMC Envoy mean?
One of the most common trouble codes with the GMC Envoy is the P0171 code. This code number references a number that is given to you when you plug your car into a OBDII scanner. P0171 is an OBDII trouble code. The code technically stands for: The code is thrown when the oxygen sensors detect that there’s not enough oxygen in the exhaust system.
P0107 is the general code for a problem with the MAP circuit sensor having too low voltage input to the Engine Control Unit (ECU). This means the voltage input to the ECU is.5 volt or less which means that it is not in the correct lower range for proper engine operation. What causes the P0107 code?
What is the trouble code on my GMC Envoy?
One of the most common trouble codes with the GMC Envoy is the P0171 code. This code number references a number that is given to you when you plug your car into a OBDII scanner. Envoy P0171 Code Defined. P0171 is an OBDII trouble code.
What does the p0171 code in front oxygen sensor mean?
If the P0171 is combined with the P0174 code, it’s very likely that the problem is caused by an intake leak. If there are no intake leaks, the next step is to replace the air filter and clean the air flow meter. If the problem persists the front oxygen (O2) sensor may need to be replaced.