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1991 Mercedes Benz 560sec Repair Question


Topics covered: Engine, Engine performance, Performance.
Mileage: No information provided.

Asked on July 27, 2010

1991 Mercedes Benz 560sec engine struggles starting out fro

Engine Performance problem
1991 Mercedes Benz 560sec V8 Two Wheel Drive Automatic 118000 miles

valve job, timing chain, etc. 88,000 mi.
30,000 service, plug wire set, rotor cap,etc. 118,000 mi.

Car still misses starting out and from stops 50% of
time.
Avatar Asked by wmayres163

Answer

Replied on July 28, 2010

Hi there,

Thank you for the donation,

Check if they used a resistor type spark plug, if so change them as the resistor type plug is know to cause tune issues with some Benz engines.

mark (mhpautos)

Tiny Answered by mhpautos (expert)
26,916 answers provided