Thread: P0403 EGR Demon - FIXED

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#13 Re: P0403 EGR Demon
SlowNA06

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11-08-2012

Well, I'm gonna try to test the Ground Circuit for EGR Valve Solenoid and Power Source for EGR Solenoid. Since I already tried a known good EGR...

Irridium spark plugs last 100k mi and work just as well as copper. Copper is a waste on N/A and only lasts 15k mi. Don't use Platinum.
Use 195* tstat unless you can thoroughly explain why not; 99.9% don't need a lower temp.
Almost any oil filter, ever, is of higher quality than ACDelco. Spend $6+.

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