Trouble Code Table
| Trouble Code | Information Sensor | Cause of Fault |
|---|---|---|
| 13 | Oxygen sensor | Sensor too old / contaminated with lead |
| 14 | Coolant temperature sensor | Short circuit to ground |
| 15 | Coolant temperature sensor | Short circuit to UB / lead fracture |
| 16 | Knock sensor | Short circuit to ground / lead fracture loose fastening bolt / short circuit to UB / control unit defective |
| 19 | Inductive pulse pick - up | Shod circuit / lead fracture |
| 21 | Throttle valve potentiometer | Short circuit to UB / lead fracture |
| 22 | Throttle valve potentiometer | Short circuit to ground |
| 23 | Knock sensor | Control unit defective |
| 24 | Odometer frequency sensor | Short circuit / lead fracture |
| 25 | Injector 1 | Shod circuit to UB lead fracture |
| 26 | lnjector 2 | Short circuit to UB lead fracture |
| 27 | lnjector 3 | Short circuit to UB lead fracture |
| 28 | lnjector 4 | Short circuit to UB lead fracture |
| 33 | Final stage, | Short circuit to ground |
| exhaust gas recirculation valve | ||
| 34 | Final stage, | Short circuit to UB / lead fracture |
| exhaust gas recirculation valve | ||
| 37 | Engine telltale | Short circuit to ground |
| 38 | Oxygen sensor | Short circuit to ground / lead fracture |
| 39 | Oxygen sensor | Short circuit to UB |
| 44 | Oxygen sensor | Mixture lean |
| 45 | Oxygen sensor | Mixture rich |
| 46 | Final stage, secondary air pump relay | Short circuit to ground |
| 47 | Final stage, secondary air pump relay | Short circuit to UB / lead fracture |
| 48 | Battery | Voltage too low |
| 49 | Battery | Voltage too high |
| 52 | Final stage, engine telltale | Short circuit to UB / lead fracture |
| 53 | Final stage, fuel pump relay | Short circuit to ground |
| 54 | Final stage, fuel pump relay | Short circuit to UB / lead fracture |
| 55 | Control unit | Defective |
| 56 | Final stage, idle speed stepper motor | Short circuit to UB / lead fracture |
| 57 | Final stage, idle speed stepper motor | Short circuit to ground |
| 61 | Final stage, controlled canister purge valve | Short circuit to ground |
| 62 | Final stage, controlled canister purge valve | Short circuit to UB / lead fracture |
| 69 | Intake air temperature sensor | Short circuit to ground |
| 71 | Intake air temperature sensor | Short circuit to ground / lead fracture |
| 73 | Hot film mass air flow meter | Short circuit to ground / lead fracture |
| 74 | Hot film mass air flow meter | Short circuit to UB |
| 75 | AT transmission shift signal | Pulse duration too long |
| short circuit to ground | ||
| 76 | AT transmission shift signal | Engagement duration too long |
| 81 | Injector 1 | Short circuit to ground |
| 82 | Injector 2 | Short circuit to ground |
| 83 | Injector 3 | Short circuit to ground |
| 84 | Injector 4 | Short circuit to ground |
| 87 | Final stage, compressor cutoff relay | Short circuit to ground |
| 88 | Final stage, compressor cutoff relay | Shod circuit to UB / lead fracture |
| 91 | Oxygen sensor heating | Shod circuit to UB / lead fracture |
| 92 | Camshaft sensor | Shod circuit / lead fracture |
| 98 | Oxygen sensor heating | Short circuit to ground |