P219C Diagnostic Trouble Code Discussion for February 2026
fuel/air mixture cylinder 1 unbalanced sporadic
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| Help Request | Posted | |
| 2020 Hyundai Ioniq Hybrid Blue 1.6L MIL Lamp on VIN: KMHC65LC7L P219C: cyl 1 air fuel ratio imbalance stored pending perm. This is a high mileage Ioniq that runs great but can't get rid of the P219 codes that set a few miles after being erased. I replaced the plugs which looked normal, cleaned the throttle body and MAF sensor and walnut blasted the valves. No change. The next ... |
February 14, 2026 |
