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Honda Fit/Jazz - DTC Troubleshooting: P0401 (80-1) (5MT without ETCS)

Online Honda Fit/Jazz 2002-2005 Workshop repair manual used by professionals.

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Snip from the Manual


DTC Troubleshooting: P0401 (80-1)

DTC P0401 (80-1): EGR Insufficient Flow


1.Reset the ECM/PCM.

2.Test-drive under the following conditions.


3.Check the Temporary DTC with scan tool.

Is Temporary DTC P0401 indicated?


YES - Clean the intake manifold EGR port with carburetor cleaner. Clean the passage inside the EGR valve with carburetor cleaner or replace the EGR valve.


NO - Intermittent failure, go to


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