i have ap0401 obd code and have replaced the egr valve and the soleniod but the

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but the check eng light came back on

Apr 23, 2012

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RepairPal Certified shops can diagnose and repair your 2002 Mercury Mountaineer. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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i have ap0401 obd code and have replaced the egr valve and the soleniod but the

What is your question?

but the check eng light came back on

terrible t in Duquesne PA

Apr 23, 2012

2 Replies

Popular Answer

HendrickRaceFanon Apr 23, 2012

Make sure your connectors and those little Hoses for the solenoid are all ok also.

Redoy235on Oct 17, 2012

Disconnect the batter for a 10 min the code and the computer should reset.

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Popular Answer

What are the best Mercury repair shops?

RepairPal Certified shops can diagnose and repair your 2002 Mercury Mountaineer. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.