| POSSIBLE CAUSE |
- Cooling system malfunction
- PCM DTC is stored
- Air leakage from intake-air system
- Improper operation of drive-by-wire control system
- Throttle body malfunction
- Improper load signal input
- Improper A/C request signal
- Erratic signal to PCM
- APP sensor or related circuit malfunction
- ECT sensor No.1 or related circuit malfunction
- CPP switch or related circuit malfunction
- Neutral switch or related circuit malfunction
- Spill valve control solenoid valve (built-into high pressure fuel pump) malfunction
- Fuel injector malfunction
- Improper operation of cruise control system
- Fuel injector control driver (built-into PCM) malfunction
- Engine internal part 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 vapor is hazardous. It can easily ignite, causing serious injury and damage. Always keep sparks and flames away from fuel.
- Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injury or death and damage. Fuel can also irritate skin and eyes. To prevent this, always complete "BEFORE SERVICE PRECAUTION" and "AFTER SERVICE PRECAUTION" described in this manual. (See BEFORE SERVICE PRECAUTION
.) (See AFTER SERVICE PRECAUTION
.)
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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