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Dan, Technician
Category: Ford
Satisfied Customers: 23961
Experience:  Independent Shop Experience, 2 Year Automotive Diploma, & Access to Information Database
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F150 Lariat 5.4L: I got a P2004 code on my 2005 F150 Lariat

Customer Question

I got a P2004 code on my 2005 F150 Lariat 5.4L.This passed Friday I changed all the coils do to a bucking under load between 40-60 mph, fixed the problem. Then this morning I get a check engine light which the IMRC valve stuck open. Any ideas?
Submitted: 2 years ago.
Category: Ford
Expert:  Dan replied 2 years ago.
Hello, my name is ***** ***** I'm here to help get your problem solved. This code usually means the e Manifold Runner Control (IMRC) actuator has failed. Here are testing instructions to verify, let me know if you have more questions. Thanks.