Possible Causes
WARNING: This page is about a different car, the 2013 Dodge Avenger and 2013 Chrysler 200. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| OBSTRUCTION OR LEAK IN THE SECONDARY AIR SYSTEM |
| (A929) FUSED B+ CIRCUIT OPEN OR HIGH RESISTANCE |
| (Z931) GROUND CIRCUIT OPEN OR HIGH RESISTANCE |
| (K157) MAF SENSOR SIGNAL CIRCUIT SHORT TO VOLTAGE |
| (K157) MAF SENSOR SIGNAL CIRCUIT SHORT TO GROUND |
| (K157) MAF SENSOR SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE |
| (K957) MAF SENSOR GROUND CIRCUIT OPEN OR HIGH RESISTANCE |
| (F202) SECONDARY AIR PUMP RELAY OUTPUT CIRCUIT OPEN OR HIGH RESISTANCE |
| SECONDARY AIR CHECK VALVE |
| SECONDARY AIR PUMP ASSEMBLY |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .