Dtc p1404

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June 16th, 2010, 1:13 AM

headache2000

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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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June 16th, 2010, 9:54 AM

maxxman04

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dirty or bad egr valve. clean or replace,

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June 16th, 2010, 12:16 PM

headache2000

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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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