The P0102 trouble code indicates a low input issue within the mass or volume air flow circuit. This code typically points to problems with the sensor responsible for measuring the air entering the engine, affecting the fuel-air mixture and engine performance.
Mass or Volume Air Flow Circuit Low Input
Code symptoms P0102.
1. Decreased engine performance.
2. Rough idling or stalling.
3. Reduced fuel efficiency.
This code is common in brands such as:: Chevrolet, Renault, Ford, Toyota, Nissan, Mercedes Benz, Honda.
Causes of the code P0102.
1. Faulty mass air flow (MAF) sensor.
2. Low input or voltage within the MAF sensor circuit.
3. Problems with the Engine Control Module (ECM).
Code Solutions P0102.
1. Inspect and replace the mass air flow (MAF) sensor if it is faulty.
2. Check and repair any low input or voltage issues in the MAF sensor circuit.
3. If ECM issues are suspected, consult a qualified technician for diagnosis and potential reprogramming or replacement.