P1237 Diagnostic Trouble Code Discussion for October 2021
Fuel Pump Secondary Circuit Malfunction
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| Help Request | Posted | |
| 1996 Porsche 911 Carrera 4 3.6L Misfire, MIL Lamp on VIN: WP0AA2998T P1237: Injector circuit cylinder 1 Open. This car came in with injector circuit faults for cylinders 1 and 5. I've tried all the typical tests (test/swap injectors, ohm out harness, scoped the circuit, swapped DMEs. I cant come up with any definitive answers. After swapping the DME, there was onl... |
October 26, 2021 | |
| 1996 Porsche 911 Carrera 4 3.6L Misfire, MIL Lamp on VIN: WP0AA2998T P1237: Injector circuit cylinder 1 Open. This car came in with injector circuit faults for cylinders 1 and 5. I've tried all the typical tests (test/swap injectors, ohm out harness, scoped the circuit, swapped DMEs. I cant come up with any definitive answers. After swapping the DME, there was onl... |
October 28, 2021 |
