P1278
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Manufacturer Specific Definitions for P1278
| Make | Fault Location |
|---|---|
| Audi | Fuel metering solenoid - short to positive |
| Buick | Accelerator Pedal Position Sensor 1 Circuit High Voltage |
| Cadillac | Accelerator Pedal Position Sensor 1 Circuit High Voltage |
| Chevrolet | Accelerator pedal position (APP) sensor 1voltage high |
| Chrysler | Starter motor control circuit -voltage high |
| Citroen | Cylinder #8 High To Low Side Open |
| Dodge | Starter motor control circuit -voltage high |
| Ford | Cylinder #8 High To Low Side Open |
| Gmc | Accelerator pedal position (APP) sensor 1 voltage high |
| Gm | Accelerator Pedal Position Sensor 1 Circuit High Voltage |
| Infiniti | Heated oxygen sensor (H02S), bank 1 – slow response |
| Jeep | Starter control circuit 2 (PCM) -short circuit to positive |
| Kenworth | P1278 - Increase in combustion in cylinder 6 relative to the others. |
| Lexus | Injector 2, cylinder 3 – circuit malfunction |
| Lincoln | Injector circuit, cylinder 8 -high to low side open |
| Mercury | Injector circuit, cylinder 8 -high to low side open |
| Nissan | Heated oxygen sensor (H02S), bank 1 – slow response |
| Peterbilt | P1278 - Increase in combustion in cylinder 6 relative to the others. |
| Peugeot | Cylinder #8 High To Low Side Open |
| Ram | Starter motor control circuit -voltage high |
| Saturn | Accelerator pedal position (APP) sensor 1 voltage high |
| Toyota | Port Injector Circuit Number 3 |
| Volkswagen | Fuel metering solenoid - short to positive |
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