No. 9 Fast Idle/Runs On: Notes
NO. 9 FAST IDLE/RUNS ON (SKYACTIV-G 2.5T) DESCRIPTION AND POSSIBLE CAUSE
| 9 |
FAST IDLE/RUNS ON |
| DESCRIPTION |
- Engine speed continues at fast idle after warm-up.
- Engine runs after ignition is switched off.
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| POSSIBLE CAUSE |
- Cooling system malfunction
- PCM DTC is stored
- Accelerator pedal stuck depressed
- Erratic signal to PCM
- APP sensor or related circuit malfunction
- Communication error between TCM and PCM
- ECT sensor No. 1 or related circuit malfunction
- A/F sensor or related circuit malfunction
- HO2S or related circuit malfunction
- Improper air/fuel mixture ratio control operation
- Improper load signal input
- Improper A/C request signal
- Improper operation of drive-by-wire control system
- Throttle body malfunction
- Fuel injector malfunction
- Spill valve control solenoid valve (built-into high pressure fuel pump) malfunction
- Improper operation of cruise control system
- Air leakage from intake-air system
- Injector driver (built-into PCM) malfunction
WARNING:
- The following troubleshooting flow chart contains the fuel system diagnosis and repair procedures. Read the following warnings before performing the fuel system services:
- Fuel may cause irritation if it comes in contact with skin and eyes.
- If fuel ignites and causes a fire, it may lead to serious injury or death, and damage to property and facilities.
CAUTION:
- Disconnecting/connecting the quick release connector without cleaning it may possibly cause damage to the fuel pipe and quick release connector. Always clean the quick release connector joint area before disconnecting/connecting, and make sure that it is free of foreign material.
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