P1280
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Manufacturer Specific Definitions for P1280
| Make | Fault Location |
|---|---|
| Acura | Accelerator Pedal Position (APP) Sensor 2 Circuit Malfunction |
| Buick | Accelerator Pedal Position Sensor 2 Circuit |
| Cadillac | Accelerator pedal position (APP) sensor 2 circuit malfunction |
| Chevrolet | Accelerator pedal position (APP) sensor 2 circuit malfunction |
| Citroen | Injection Control Pressure Out Of Range Low |
| Dodge | Accelerator Pedal Position Sensor 2-3 Correlation |
| Ford | Injection Control Pressure Out Of Range Low |
| Gmc | Accelerator pedal pOSition (APP) sensor 2 circuit malfunction |
| Gm | Accelerator Pedal Position Sensor 2 Circuit |
| Honda | Accelerator pedal position (APP) sensor 2 - circuit malfunction |
| Isuzu | Accelerator pedal position (APP) sensor 2 – circuit malfunction |
| Jeep | Fuel pump relay -circuit malfunction |
| Kenworth | P1280 - AMF CAN sensor flow out of range |
| Oldsmobile | Accelerator pedal pOSition (APP) sensor 2 circuit malfunction |
| Peterbilt | P1280 - AMF CAN sensor flow out of range |
| Peugeot | Injection Control Pressure Out Of Range Low |
| Pontiac | Accelerator pedal position (APP) sensor 2 circuitmalfunction |
| Ram | Fuel pump relay -circuit malfunction |
| Saturn | Accelerator pedal position (APP) sensor 2 circuit malfunction |
| Volkswagen | Fuel Injection Air Control Valve Circuit Flow Too Low |
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When towing up a grade, I loose power, limp mode? This is a early 1999 f250 7.3.
Bruce-
DTC P1280 is ICP Circuit Out of Range Low. The Injector Control Pressure sensor and its circuit seem to be a common fault on this engine. The ICP sensor is located on the top of the engine, left fuel rail, toward the front of the engine.
You can test the ICP sensor itself with a DMM. Brown/White 5V, Gray/Red is Ground. Jump BR/WH to Blue/Green and ICP voltage in the scanner (ECM data) should show 5V. If you see 5V, then you might have an intermittent connectivity problem. If you don’t see 5V, check the circuit from the sensor to the ECM. If the circuit is OK, then the sensor is likely at fault.
I hope this helps.
-Ben