| 12 |
RPM Signal |
ON |
|
Distributor, Starter Or Circuit, ECM |
| 13 |
RPM Signal |
ON |
|
Distributor Or Circuit, ECM |
| 14 |
Ignition Signal |
ON |
|
Ignitor Or Circuit To ECM, ECM |
| 21 |
Oxygen Sensor Signal |
ON |
|
Oxygen Sensor Or Circuit, ECM |
| 22 |
Engine Coolant Temperature Sensor Signal |
ON |
|
Engine Coolant Temp. Sensor Or Circuit, ECM |
| 24 |
Intake Air Temperature Sensor Signal |
ON |
|
Intake Air Temp. Sensor Or Circuit, ECM |
| 25 |
Lean Air/Fuel Mixture |
ON |
|
Loose Ground, Injector Or Circuit, Oxygen Sensor Or Circuit, Fuel Pressure, Ignition System, Engine Coolant Temp. Sensor, MAP Sensor, ECM |
| 26 |
Rich Air/Fuel Mixture |
ON |
|
Loose Ground, Injector Or Circuit, Oxygen Sensor Or Circuit, Fuel Pressure, Engine Coolant Temp. Sensor, MAP Sensor, Compression Pressure, ECM |
| 31 |
Vacuum Sensor Signal |
ON |
|
MAP Sensor Or Circuit, ECM |
| 41 |
Throttle Position Sensor Signal |
ON |
|
Throttle Position Sensor Or Circuit, ECM |
| 42 |
Vehicle Speed Sensor Signal |
OFF |
|
Vehicle Speed Sensor Or Circuit, ECM |
| 43 |
Starter Signal |
OFF |
|
Starter Signal Circuit, Ignition Switch Or Circuit, ECM |
| 51 |
Switch Signal |
OFF |
|
A/C Switch Circuit, Park/Neutral Switch Or Circuit, TPS Or Circuit, ECM |
| 71 |
EGR System Malfunction |
ON |
|
EGR System, EGR Temp. Sensor Or Circuit, EGR-VSV, ECM |