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SNR9AA7K72100090101FAAT00 − − − − − − − − − − − − DTC P0101: YES NO YES NO YES NO YES NO YES NO YES NO 11-74 PGM-FI System DTC Troubleshooting MAF Sensor Circuit Range/ Performance Problem NOTE: • Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general • If DTC P1128, P1129, P2228, and/or P2229 are stored at the same time as DTC P0101, troubleshoot those 1. Check for poor connections or damage to these parts: • PCV hose Go to step 2. Repair or replace the damaged part(s), then go to step 17. 2. Check for damage or looseness at the air duct in the air cleaner. Go to step 3. Reconnect or replace the air duct in the air cleaner, then go to step 15. 3. Check for a dirty air cleaner element. Replace the air cleaner element (see page 11-346), then go to step 15. Go to step 4. 4. Turn the ignition switch to LOCK (0). 5. Turn the ignition switch to ON (II). 6. Check the MAF SENSOR in the DATA LIST with the HDS. Go to step 7. Go to step 13. 7. Start the engine. 8. Vary the engine speed between 2,000 rpm and 3,000 rpm. 9. Check the MAF SENSOR in the DATA LIST with the HDS. Go to step 10. Go to step 13. 10. Hold the engine speed at 3,000 rpm without load (A/T in P or N, M/T in neutral) until the radiator fan 11. Test-drive the vehicle for several minutes in the range of these recorded freeze data parameters: • ENGINE SPEED 12. Monitor the OBD STATUS for DTC P0101 in the DTCs MENU with the HDS. Go to step 13. If the screen indicates PASSED, intermittent failure, the system is OK at this time. Check for Ar e the par ts OK ? Is it OK ? Is it dir ty? Is ther e about 0.2 gm/ s or 0.5 V ? Does the r eading change? Does the scr een indicate F AILED? 08/08/21 14:15:37 61SNR030_110_0074 |