No. 9 Fast Idle/Runs On [L5]: Notes
WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
| 9 |
FAST IDLE/RUNS ON |
| DESCRIPTION |
- The engine speed continues at fast idle after warm-up
- The engine runs after the ignition is off
|
| POSSIBLE CAUSE |
- ECT sensor malfunction
- Air leakage from intake air system
- Throttle body malfunction
- APP sensor misadjustment
- Cruise control system operation improperly
- Erratic signal from PSP switch
- Improper load signal input
- Improper operation of electronic throttle control system
|