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1999 e55 AMG
So I just had car tuned....new plugs wires filters...idled to 4000 rpm all good....got up above 4000 and the engine started coughing....any ideas guys and girls?
Lyle:( |
In neutral... rev limiter.
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were they bosch,or ngk wires? There are alot of cheap,bad wires on the market.Check where coils plug into harness.I no longer use Bosch spark plugs,since they are not german made anymore.I have had the best luck with Denso,or Champion.
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