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    EGR issue - 1999 Civic HX

    Hello, I have a 1999 Civic HX that has had the check engine light on for a while now. The diagnostics say it's the EGR system. I believe the code is P0401 Exhaust Gas Recirculation (EGR) Insufficient Flow or something along these lines. My mechanic, who is a pretty solid Honda guy, has...
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