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95-96 VW 2.0l...ECM UpGrade to correct cold stumble??
Posted to Technical Discussion Forum on 2/17/2003 2 Replies

Gentlemen

I have two 95-96 Jetta vehicles at the shop with 2.0l engine that seem to run rich and smoke black, and missfire for approx. 30 seconds after a cold start. The colder the ambient temp is; the longer the "missfire" persists. After this brief period,... Login to read more.

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