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Unread 11-24-2013, 11:24 PM   #16
Registered User
Join Date: Jan 2013
Location: Wilsonville, OR
Posts: 10
OK so I have tested the key off and on to let the fuel pump prime and it still doesn't crank over right away. Grrr!

rizzmonkey is offline   Reply With Quote Quick reply to this message
Unread 11-26-2013, 11:46 PM   #17
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2007 WK 
Join Date: Apr 2011
Location: Piņon Hills, CA
Posts: 309
Originally Posted by rizzmonkey View Post
Thanks for your response!

I do have a check light that comes and goes and just pulled it. It is P0404 which has to do with the EGR. This is most frustrating since the EGR valve was replaced about 10 months ago. Also I commented on each of your ideas below.
I sent you a PM.

P0404: EGR Position sensor performance.

Theory of Operation
The EGR valve has a position sensor and the EGR position rationality is designed to make sure that the valve
moves freely within its operating range. Closed valve position reference check verifies that the valve is within its
allowable upper and lower limits. The EGR position rationality test looks for a sustained error relative to commanded
valve position.

˛ When Monitored:
Engine running.

˛ Set Condition:
The EGR flow or valve movement is not what is expected
Kevin K.

WANTED: AFE CAI for '07 4.7L WK
twistedlizard72 is offline   Reply With Quote Quick reply to this message

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