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1990 Mercedes-Benz 420SEL Question: hard start



tx77703, Beaumont, TX, February 14, 2009, 09:54

1989 420 sel new valve job having problems hard to start when cold and after driving up to normal temp also the eco neelde stays in center when at a red light and the car is in gear

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  • Answer #1

    March 06, 2009, 20:13

    Sounds like you need to take it back to the place that did the work. It sounds as though the valve timing maybe improperly set.

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