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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS MULTIPORT FUEL INJECTION (MFI) 13A-332 STEP 3. Check each ignition coil spark. • When the engine is cranked, the spark plug should spark. CAUTION If prolonged engine cranking is required disconnect Fuel Q: Did it spark? YES : Go to Step 5. STEP 4. Check the spark plugs. CAUTION Do not attempt to adjust the gap of the iridium plug. Clean- Standard value: 1.0 − 1.1 mm Q: Is the plug gap at the standard value? YES : Refer to, INSPECTION PROCEDURE 27 − Ignition Circuit System . NO : Replace the faulty spark plug. Then go to Step 7. STEP 5. Check the following items. defective component. a. Check timing belt alignment. Q: Are there any abnormalities? YES : Repair or replace it. Then go to Step 7. STEP 6. Check the trouble symptoms. Diagnostic Function − EOBD Drive Cycle− . (2) Check the diagnostic trouble code (DTC). Q: Is DTC P0300 set? YES : Replace the ECU. Then go to Step 7. Refer to GROUP 00, How to Use − How to Cope with Intermittent Malfunctions . AKX00432 SPARK PLUG AB AKX01327AB IRIDIUM TIP PLATINUM TIP |