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ECM question... HELP!!

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Old Jun 25, 2003 | 08:48 PM
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Joined: Dec 2002
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From: NC
Car: '86 Iroc
Engine: 350 TPI
Transmission: T-5 with Pro-5.0
ECM question... HELP!!

Hi Guys!

I replaced my 305 TPI with a 350 TPI and got a custom chip. All is well MOST of the time, but every now and then the car will either just cut off like I turned the key and will restart as soon as I turn the key or it will sputter and the SES light comes on and throws codes 34 and 41. I have replaced the MAF and it still does it and the guy that burned the chip says a code 41 is impossible with his chip. Would it be possible for the ECM to be cutting out sometimes causing this? Thanks!!!!!
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