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06-18-2010, 02:27 PM
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#1 (permalink) |
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Registered User
Join Date: Jun 2003
Posts: 17
Feedback Score: 0 reviews
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D blinking and EGR valve
2003 Pilot, ~137000mi
D started blinking yesterday. Started again this am after driving about 5 minutes. The manual says it has to do with transmission sensors, switches, etc and don't drive aggressively. I had the code pulled @ auto part store and got P1491 - a proprietary code - which turns out to be "EGR Valve Lift Insufficient Detected". I know the EGR valve has some link to the transmission because I replaced it a few years ago to get rid of a "shift shudder" (but it lit up the Check Engine Light that time). So, should I replace the EGR valve again or is it not related to the blinking D?
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06-19-2010, 12:26 AM
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#2 (permalink) |
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Registered User
Join Date: May 2009
Location: OH
Posts: 437
Feedback Score: 0 reviews
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You have the ports that tend to clog up. I would clean them first and see what happens. May need a new valve too, but if the ports are plugged up it won't matter.
EGR port cleaning - Acura MDX Forum : Acura MDX SUV Forums How does the oil get in here ? - Acura MDX Forum : Acura MDX SUV Forums http://www.mdxers.org/forums/attachm...gr-b05-019.pdf DIY Intake Manifold/EGR port cleaning |
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