[s-cars] RE: MTM ECU Problem

[Mihnea Cotet]

FWIW, Ned has once had issues with an incorrect checksum in his chips,
which would cause the "bad ECU" fault code, as well as the check engine
light. In your case, I don't think this was the actual issue because the
check engine light would go out occasionally...


HTH,

Mihnea

At 10:17 4/04/2003 -0800, Mike Platt wrote:
>My old 94 S4 had problems with the check engine light
>after I did the upgrade form Ned at IA. The car always
>ran fine but the light would not go out. The dealer
>told me I had a bad ECU and they see that from people
>who have done chip upgrades in the past. The code is a
>bad ground to ECU related to soldering issues. I
>called Ned and he mentioned he has seen it before on
>some cars, but didn't feel it was related to his work.
>It would occassionally go out in warm weather. Since
>the car ran Ok I didn't pursue it further. I just
>figured I would not buy his setup again. I now have a
>MTM upgrade in the S6 avant, with no problems.
>Mike P
>
>
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>Yeah, that sound familiar.  The repeated stalling,
>starting, stalling
>is the
>same thing I experienced.  When I visited with the
>mechanic last night,
>he
>started the car and rapped on the ECU with his
>knuckle, the car died.
>Sounds like the same problem.
>
>I will report back to the list when I know more.
>
>
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