P2178 Diagnostic Trouble Code Discussion for June 2018
Fuel System Too Rich At Off Idle
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| Help Request | Posted | |
| 2009 Mazda CX-7 Touring 2.3L MIL Lamp on VIN: JM3ER29369 P2178: System Too Rich Off Idle. One week after repair car comes back with MIL on. Client states that engine only fails driving at full throttle (holding pedal down for about 2 seconds). Codes come back quickly after erasing. The only live value constantly out of range is O2-sensor upstre... |
June 19, 2018 |
