DIAGNOSIS

  • Tiny
  • vee31
  • 1999 Mercedes Benz C280
  • 6 CYL
  • 2WD
  • automatic
  • 199,000 miles

I HAVE A 1999 MERCEDES C280 AND THE ENGINE RUNS HARD AND ACCELERATES SLOW. I HEARD IT COULD BE THE OIL PUMP?

Friday, August 5th, 2011 AT 1:46 AM

3 Answers

  • Tiny
  • mhpautos
  • Expert
  • 29,839 posts

Not sure what you mean by running hard? If you suspect an oil pump problem, get the pressure checked with a mechanical gauge.

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Friday, August 5th, 2011 AT 2:55 AM
  • Tiny
  • vee31
  • Member

When I hit accelerator my car moves slow and rough instead of a smooth take off. It won't pick up speed. I wonder if I should flush engine and change air filter

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Friday, August 5th, 2011 AT 3:16 AM
  • Tiny
  • mhpautos
  • Expert
  • 29,839 posts

Start with a tune and a scan check for any unresolved fault codes in the engine management ands transmission management systems, start here.

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Friday, August 5th, 2011 AT 7:06 AM

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