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2002 Chevrolet Cavalier P0103 Code: Mass Air Flow Circuit Voltage High - No MAF Sensor Found?

Model: 2002 Chevy Cavalier Fault Code: P0103 Posted: 2016-08-07 01:26

My 2002 Chevrolet Cavalier 2.2L engine is showing a Check Engine Light with fault code P0109 (corrected from original P0103 for accuracy). The code indicates a high voltage in the Mass Air Flow (MAF) circuit. However, when I visited my local Chevrolet dealership to replace the MAF sensor, the salesperson informed me that my vehicle does not have a MAF sensor at all. This contradicts the diagnostic code and leaves me confused. I'm seeking clarification on whether this code is valid for my engine type or if there's another explanation.

Related fault codes

P0103

Comments (3)

Anonymous 2016-08-07 11:33

Checking for a MAF sensor won't resolve the P0103 issue because the 2.2L engine in a 2002 Chevrolet Cavalier does not use a MAF sensor. This code may be misdiagnosed or related to a speed density system. To confirm, check the eighth digit of your VIN. Ensure your dealer requested the full VIN to verify model year and engine configuration. A different OBD-II scanner might provide more accurate readings.

Anonymous 2016-08-11 01:15

The eighth digit of my VIN is '4' (full VIN: 1G1JF524427172549). I initially reset the MIL to verify if the issue persisted, and after ten days, the code returned. I will now try using a different OBD-II scanner to confirm whether this is an accurate reading or a false positive.

Anonymous 2016-08-11 18:05

All 2.2L and 2.4L engines in the 2002 Chevrolet Cavalier are equipped with speed density mapping, not MAF sensors. Therefore, the presence of P0103 is likely incorrect or misinterpreted — this code does not apply to these engine variants.