| Condition | Possible Cause | Action |
|---|---|---|
|
Poor fuel economy or engine performance
|
Incorrect ignition timing
|
Check related sensors and CKP sensor plate.
|
|
Faulty spark plug(s) or high-tension cord(s)
|
Adjust, clean or replace.
|
|
|
Faulty ignition coil assembly
|
Replace.
|
|
|
Faulty CKP sensor or CKP sensor plate
|
Clean, tighten or replace.
|
|
|
Faulty ECM
|
Replace.
|