Engine Light- EGR 2002 Mustang v6 - Ford Mustang Forum
 
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post #1 of 2 (permalink) Old 05-18-2010 Thread Starter
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Engine Light- EGR 2002 Mustang v6

My check engine light came on a few months ago and gave the code p0401 (little flow in EGR system)

I changed the EGR valve and the EGR solenoid and I reset the light by disconnecting the battery--but a few days later the light came back on and the car is a bit shaky when idle---what is the problem?? My inspection expires this month and I dont know what to do!!? Is there a pressure sensor? Blockage? Thanks!

PS I have a 2002 with v6 with about 118k miles!!
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post #2 of 2 (permalink) Old 05-18-2010
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Their is an EGR back preasure transducer on most ford engines. And they do go bad. Most of the EGR valves replaced are perfectly GOOD. And the solenoids rarely go bad. Check the transducer by replacing it. That is the only way it can be tested by a lay person. Good Luck Tom

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egr valve , pressure sensor , service engine soon , solenoid

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