34. Detect Malfunctioning Part
Check the following.
- Check fuel pressure regulator and repair or replace if necessary. Refer to FUEL PRESSURE CHECK .
- Check mass air flow sensor and its circuit, and repair or replace if necessary. Refer to DTC P0102, P0103 MAF SENSOR .
- Check injector and its circuit, and repair or replace if necessary. Refer to INJECTOR CIRCUIT .
- Check engine coolant temperature sensor and its circuit, and repair or replace if necessary. Refer to DTC P0117, P0118 ECT SENSOR and DTC P0125 ECT SENSOR .
OK or NG
OK : GO TO 36. CHECK ECM FUNCTION .
NG :
- Repair or replace.
- GO TO 35.