LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

getting a code p0403 egr cir malfunction

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Old 10-08-2011, 08:48 PM
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Join Date: Oct 2011
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Cool getting a code p0403 egr cir malfunction

I have a lt4383 the car is is not starting very well have to put my foot to thr floor to get it started and at idle when I stab throttle it will hesatate and almost die. I all ready put a new tps runs the same in after checking the voltage and acts the same today I unpluged the mass air and it started right up i pluged it backin and cleared the code and run rough
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Old 10-09-2011, 12:14 AM
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Re: getting a code p0403 egr cir malfunction

When you double post, PLEASE go back and delete the duplicate post. This can be done by clicking on the "EDIT" button in the post, and using the delete option.

Thank you.
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