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TROUBLESHOOTING MULTIPORT FUEL INJECTION (MPI) <4A9> 13A-258 STEP 13. Visual check of ignition spark. • Remove the spark plug and install it to the ignition coil. • Connect the ignition coil connector. • Remove all injector connector. • At the engine start, check each spark plug pro- duces a spark. Q: Is the check result normal? YES : Go to Step 15 . NO : Go to Step 14 . STEP 14. Check spark plug. • Check spark plug (Refer to GROUP 16 − Ignition System − On-vehicle Service − Spark Plug Check and Cleaning Q: Is the check result normal? YES : Check ignition circuit system (Refer to Inspection Procedure 28 NO : Replace spark plug. STEP 15. Check purge control solenoid valve • Check purge control solenoid valve itself (Refer to GROUP 17 − Emission Control System − Evaporative Emission Control System − Purge Control Solenoid Valve Check ) Q: Is the check result normal? YES : Go to Step 16 <CVT> , go to Step 17 <M/T> NO : Replace purge control solenoid valve. STEP 16. Check EGR valve (stepper motor) itself. • Check EGR valve (stepper motor) itself [Refer to GROUP 17 − Emission Control System − Exhaust Gas Recirculation (EGR) System − EGR Valve (Stepper Motor) Check ]. Q: Is the check result normal? YES : Go to Step 17 . NO : Replace EGR valve (stepper motor). STEP 17. Check injector for spray condition. • Check each injector for spray condition (Refer to ). Q: Is the check result normal? YES : Go to Step 18 . NO : Replace injector. STEP 18. Check compression pressure. • Check compression pressure (Refer to GROUP 11A − On-vehicle Service − Compression Pres- Q: Is the check result normal? YES : Go to Step 19 . NO : Repair. STEP 19. Replace engine-ECU <M/T> or • After engine-ECU <M/T> or engine-CVT-ECU <CVT> is replaced, re-check for trouble symp- Q: Does trouble system persist? YES : Check for foreign matters (water, kerosene, etc.) in fuel and replace if necessary. NO : Check end. Main Index Group TOC |