DTC P219A:00, P219B:00: Notes
WARNING: This page is about a different variant/trim than selected.
| DTC P219A:00 |
P219A:00: Air/fuel ratio imbalance (RH) |
| DTC P219B:00 |
P219B:00: Air/fuel ratio imbalance (LH) |
| DETECTION CONDITION |
- The air fuel imbalance monitor is designed to detect differences in the air fuel ratio between cylinders per engine bank. The test fails if the air fuel ratio difference per cylinder is greater than a calculated amount.
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| POSSIBLE CAUSE |
- Leaking or contaminated fuel injectors
- Low fuel pressure or running out of fuel
- Leaking evaporative emission (EVAP) canister purge valve
- Exhaust or intake air system leaks
- Exhaust gas recirculation (EGR) system
- Positive crankcase ventilation (PCV) system is leaking or the valve is stuck open
- Ignition system
- Incorrectly seated engine oil dipstick, tube or oil fill cap
- Base engine concerns
- PCM malfunction
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