Diagnostic Fault Information
WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
Perform the DIAGNOSTIC SYSTEM CHECK - VEHICLE prior to using this diagnostic procedure.
DTC P0102 or P0103
| Circuit | Short to Ground | High Resistance | Open | Short to Voltage | Signal Performance |
|---|---|---|---|---|---|
| Ignition 1 Voltage | P0102 | P0101 | P0102 | - | P0101, P0103 |
| MAF Sensor Signal | P0102 | P0102 | P0102 | P0102 | P0101, P0103, P1101 |
| Ground | - | P0102 | P0102 | - | P0102 |