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What does DTC p0101 mean on a car?

What does DTC p0101 mean on a car?

DTC p0101 is a mass airflow circuit range/performance fault. This code is stating that there is an error within the mass airflow sensor circuit. Essentially, your vehicle’s PCM (powertrain control module) has detected that the input that it has been given by the mass airflow sensor is incorrect.

What are the symptoms of Chevy Silverado p0101?

Chevy Silverado P0101 Diagnosis: MAF Sensor 1 P0101 Symptoms: Chevy Silverado. Since P0101 has to do with the Mass Airflow Sensor, which is a huge part of a computer controlled engine’s combustion process metering. 2 Chevy Silverado P0101 Causes. Here are the most common causes of P0101 in the Chevy Silverado. 3 Conclusion. …

How to diagnose p0120 TP sensor 1 malfunction?

This test tutorial will help you diagnose a P0120: Throttle Position (TP) Sensor 1 Malfunction with the Throttle Actuator Control (TAC) Throttle Body in a step-by-step manner using only a multimeter.

When does the throttle position sensor 2 ( B ) go bad?

There are several symptoms, when the Throttle Position Sensor 2 (B) goes bad, that you’re gonna’ see/feel. These are: Check engine light (CEL) will be shining nice and bright to let you know that there’s a problem. P0220: Throttle Position (TP) Sensor 2 (B) Malfunction. Lack of power when accelerating the engine.

What to do if your GMC has a p0101 code?

Before replacing the mass air flow sensor, try replacing the air filter and cleaning the air flow sensor with low compress air or mass air flow sensor cleaner. Reset code and drive vehicle. If the code comes back, it may be necessary to replaced the mass air flow sensor. The cost to diagnose the P0101 GMC code is 1.0 hour of labor.

When to set the p0101 mass air flow code?

The P0101 code is set when the Powertrain Control Module (PCM) detects that the Mass Air Flow (MAF) sensor frequency is below a predetermined value. The Mass Air Flow (MAF) sensor measures the amount of air ingested by the engine.

What does lean fault code p0171 mean on a car?

Your car or truck has either a P0171, P0174 lean fault code or both stored in the pc, these codes derive from Oxygen Sensor (O-2) readings. A lean code or codes suggest that there surely is too-much air in the exhaust.

What does diagnostic trouble code DTC stand for?

This diagnostic trouble code (DTC) is a generic powertrain code, which means that it applies to OBD-II equipped vehicles (Nissan, Chevrolet, GMC, Mercedes, VW, Toyota, Mazda, BMW, Ford, Audi, Honda, etc.). Although generic, the specific repair steps may vary depending on make/model. The MAF (mass air flow)…

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Ruth Doyle