For 1990-2009 cars only
Step | Action | Yes | No |
|---|---|---|---|
1 | Push the idle control switch to the down position. Does the idle speed decrease? | System OK | Go to Step 2 |
2 | Inspect the accelerator pedal condition. Does the accelerator pedal linkage bind anywhere? | Go to Step 3 | Go to Step 4 |
3 | Repair the accelerator pedal linkage. Did you complete the repair? | Go to Step 5 | -- |
4 | Replace the engine control module (ECM). Refer to Engine Control Module Replacement/Restore Fuel Rate Data . Did you complete the replacement? | Go to Step 5 | -- |
5 | Does the engine idle speed operate normally? | System OK | Go to Step 1 |
