Troubleshooting SymptomSuspect areaRemedyEngine misfire with abnormal internal lower engine noises.Worn crankshaft bearings.Loose or damaged engine drive plate.
Removal and Installation 1. Remove the engine cover (A). • Lift up the lower end of engine cover, then left and right alternately.
Inspection 1. Ignition "ON" 2. Using the scan tool. 3. Emit intensive light toward photo sensor using a lamp, and check the output voltage change. 4. The voltage will rise with higher intensive light and reduce with lower intensive light.
Inspection 1. Ignition "OFF". 2. Disconnect the intake actuator connector. 3. Verify that the actuator operates to the recirculation position when connecting 12V to the terminal 3 and grounding terminal 7. 4. Verify that the intake actuator operates to the fresh position when connecting in the reverse.