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SNR9AA7K72100090301FAAT00 − − − − − − − − − − DTC P0301: DTC P0302: DTC P0303: DTC P0304: YES NO YES NO YES NO YES NO YES NO 11-118 PGM-FI System No. 1 Cylinder Misfire Detected No. 2 Cylinder Misfire Detected No. 3 Cylinder Misfire Detected No. 4 Cylinder Misfire Detected NOTE: Before you troubleshoot, record all freeze data 1. Turn the ignition switch to ON (II). 2. Clear the DTC with the HDS. 3. Start the engine, and let it idle without load (A/T in P or N, M/T in neutral). 4. Monitor the OBD STATUS for DTC P0301, P0302, P0303, or P0304 in the DTCs MENU with the HDS. Go to step 9. If the screen indicates PASSED, go to step 5. If the screen indicates EXECUTING, keep idling until 5. Check the CYL1 MISFIRE, CYL2 MISFIRE, CYL3 MISFIRE, and/or CYL4 MISFIRE in the DATA LIST Go to step 9. Go to step 6. 6. Test-drive the vehicle for several minutes in the range of these recorded freeze data parameters: • ENGINE SPEED 7. Monitor the OBD STATUS for DTC P0301, P0302, P0303, or P0304 in the DTCs MENU with the HDS. Go to step 9. If the screen indicates PASSED, go to step 8. If the screen indicates EXECUTING, keep driving until 8. Check the CYL1 MISFIRE, CYL2 MISFIRE, CYL3 MISFIRE, and/or CYL4 MISFIRE in the DATA LIST Go to step 9. Intermittent failure, the system is OK at this time. Check for the fuel and ignition system circuit 9. Turn the ignition switch to LOCK (0). 10. Remove the engine cover; K20Z2 engine (see step 1 on page 9-3), K20Z3 engine (see step 1 on page 9-7). 11. Start the engine, and listen for a clicking sound at the injector of the problem cylinder. Go to step 12. Go to step 42. Does the scr een indicate F AILED? Does the CY L1 MISF IRE, CY L2 MISF IRE, CY L3 Does the scr een indicate F AILED? Does the CY L1 MISF IRE, CY L2 MISF IRE, CY L3 Does the injector click? 08/08/21 14:17:25 61SNR030_110_0118 |