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Pontiac Grand Am: DTC code P1404
3 messages, Last post on Apr 29, 2009 at 2:10 PM
You are in the Pontiac Grand Am Forum.What is this discussion about? Pontiac Grand Am, Engine, Sedan
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#2 of 3 Re: DTC code P1404 [arrie] by grampp1
Jan 03, 2008 (9:26 pm)
Replying to: arrie (Aug 09, 2006 9:09 am)
This did the trick for my car ... at least to this point. Thanks for sharing the info.
#3 of 3 Re: DTC code P1404 [arrie] by koine2002
Apr 29, 2009 (2:10 pm)
Replying to: arrie (Aug 09, 2006 9:09 am)
This did the trick for my car. I had p1404 (I have my own scanner and know cars pretty well) on my 2001 Impala LS and it passed all electrical tests (it was getting proper voltage from the PCM and the battery) so I replaced the valve/sensor assembly and cleared the codes. The light relit within a matter of 10 miles. I made an appointment at the dealer to reflash and then found your post. Now, the EGR monitor reads ready with no fault codes. I suppose that disconnecting the battery long enough will do this, but then you have that issue with the theftlock radio. Awesome and thanks for posting the information from the OBDII forum!!!
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