Jon hard start update
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Joined: Mar 2006
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From: Wayne NJ
Jon hard start update
Jon,I just found out Friday that my problem was my ECM,It was fried,working sometimes but not always,also can a Hyperchip fry an ECM,Chevy said the chip might have helped fry the ECM ?? Thanks 
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Joined: Mar 2008
Posts: 1,762
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From: Cumming Ga
jim.. There are many hyperchips in these cars, They have been selling them for years. I really don't think different programming would fry a ECM, I would guess it just went bad. Is the new ECM in and is it running well now?
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Joined: Mar 2006
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From: Wayne NJ
Its still at the shop,they wanted to keep it just to make sure,but it looks like that was my problem.But you know the history of this issue,it comes and goes so it will be just a matter of time once I get it to see if all is well. With everything IV replaced this summer it should be like new.
