500sec stumbles only on heavy acceleration??
06-29-2011, 11:13 PM
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84 500sec
500sec stumbles only on heavy acceleration??
My car is a 1984 MB 500sec, I took it to the mechanic after it decided to idle extremely low and run very rough almost dying. he fixed it, accept now if I accelerate and floor it it stumbles around 3700 and progressively gets worse at the RPM rises. mechanic wants to charge me to look again, I think I will go to somebody else! However, can anyone help diagnose this issue??? similar problems?
