Source-backed diagnostic reference
P1234 EV diagnostic code
Injector Circuit Cylinder 5 Intermittent
Reference status: This page preserves source-backed code definitions for discovery. Manufacturer/model applicability, repair steps and safety conclusions are not treated as verified unless a manufacturer-specific verified report is available.
Reference definitions
- BUICK: Injector Circuit Cylinder 5 Intermittent Source
- CADILLAC: Injector Circuit Cylinder 5 Intermittent Source
- CHEVY: Injector Circuit Cylinder 5 Intermittent Source
- CHRYSLER: Injector Circuit Cylinder 5 Intermittent Source
- FORD: Fuel Pump Driver Module Off-Line Source
- GM: Injector Circuit Cylinder 5 Intermittent Source
- GMC: Injector Circuit Cylinder 5 Intermittent Source
- LINCOLN: Fuel Pump Driver Module Off-Line Source
- MERCURY: Fuel Pump Driver Module Off-Line Source
- OLDSMOBILE: Injector Circuit Cylinder 5 Intermittent Source
- OTHER: Fuel Pump Driver Module Off Line Source
- SATURN: Injector Circuit Cylinder 5 Intermittent Source
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