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A/T in D position (M/T in 4th gear) Vehicle speed at 25 mph (40 km/h) for 5 minutes or more Maintain the vehicle speed at 32 mph (50 km/h) for 5 minutes or more 11. Check for Temporary DTCs or DTCs with the HDS. Is DTC P0400 indicated? YES - Check for poor connections or loose terminals at the EGR valve and the NO - Go to step 12. 12. Monitor the OBD STATUS for DTC P0400 in the DTCs MENU with the HDS. Does the screen indicate PASSED? YES - Troubleshooting is complete. If any other Temporary DTCs or DTCs NO - If the screen indicates FAILED, check for poor connections or loose DTC P0401: EGR INSUFFICIENT FLOW 1. Turn the ignition switch ON (II). neutral) until the radiator fan comes on, then let it idle. NOTE: Before you troubleshoot, record all freeze data and any on-
2008 Honda Civic EX 2006-08 ENGINE PERFORMANCE EGR System (R18A1) - Civic (All Except Hybrid)
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