P0715 TSS Sensor Circuit Malfunction Fault P0704 Clutch Pedal Position Switch Input Circuit Malfunction P0683 Glow plug diagnostic signal communication fault P0670 Glow plug control circuit malfunction P0500 Vehicle Speed Sensor (VSS) Malfunction P0478 Exhaust Pressure Control Valve High Input P0476 Exhaust Pressure Control Valve Performance P0476 Exhaust Pressure Control Valve Maffunction P0473 Exhaust Back Pressure Sensor Circuit High Input P0472 Exhaust Back Pressure Sensor Circuit Low Input P0471 Exhaust Back Pressure Sensor Circuit Performance P0470 Exhaust Back Pressure Sensor Circuit Malfunction P0460 Fuel Tank Level Indicator Circuit Malfunction P0381 Glow Plug Indicator Circuit Malfunction P0308 Fault Cylinder H-Misfire Detected (CYL 8) P0307 Fault Cylinder C-Misfire Detected (CYL 7) P0306 Fault Cylinder G-Nlisfire Detected (CYL 6) P0305 Fault Cylinder F-Misfire Detected (CYL5) P0304 Fault Cylinder E-Misfire Detected (CYL 4) P0303 Fault Cylinder D-Nlisfire Detected (CYL 3) P0302 Fault Cylinder B-Misfire Detected (CYL2) P0301 Fault Cylinder A-Misfire Detected (CYL 1) P0284 Cylinder 8 Contribution/Balance Fault P0281 Cylinder 7 Contribution/Balance Fault P0278 Cylinder 6 Contribution/Balance Fault P0275 Cylinder 5 Contribution/Balance Fault P0272 Cylinder 4 Contribution/Balance Fault P0269 Cylinder 3 Contribution/Balance Fault P0266 Cylinder 2 Contribution/Balance Fault P0263 Cylinder 1 Contribution/Balance Fault P0238 Turbo Boost Sensor A Circuit High Input P0237 Turbo Boost Sensor A Circuit Low Input P0236 Turbo Boost Sensor A Circuit Performance P0231 Fuel Pump Relay Driver Circuit Failure P0221 Throttle Switch B Circuit Performance P0220 Throttle Switch B Circuit Malfunction P0123 Accelerator Pedal Sensor Circuit High Input P0122 Accelerator Pedal Sensor Circuit Low Input If you are getting a check engine light on your 94-03 Ford 7.3 Powerstroke Diesel engine, use a code reader to find out what the code is and look it up on this list to help you find the problem.

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