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Astro 1985-2005
Chevy's first entry into the minivan class, offered in All Wheel Drive to add to its versatility.
Platform: M-Body

Dtc p1404

   
Old Jun 16, 2010 | 1:13 AM
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headache2000
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Question Dtc p1404
I have a 2000 Astro with the 4.3 V6. The SES light came on and I found DTC P1404. All electrical specifications check out OK, What else should I be looking at?
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Old Jun 16, 2010 | 9:54 AM
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dirty or bad egr valve. clean or replace,
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Old Jun 16, 2010 | 12:16 PM
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That's not the problem. The EGR Valve has been replaced. There is some sort electrical problem in the system which I am having difficulty tracking down
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