1980 MERCEDES BENZ 450SLC CAR BACKFIRES

  • Tiny
  • billl4712
  • 1980 Mercedes Benz 450slc

Engine Performance problem
1980 Mercedes Benz 450slc V8 Two Wheel Drive Automatic 112k miles

Hi, my car starts and ticks over well, but when I accelerate it backfires until the engine is hot, then it runs perfectly. Thank you
Bill Lant

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Tuesday, December 22nd, 2009 AT 6:56 PM

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  • Tiny
  • mhpautos
  • Expert
  • 30,598 posts

Hi there,

This will normally be a mixture problem, this type of backfire is usually due to a lean mixture, you may have a vacuum leak during warm up or a problem with the injection system, you will need to have this investigated.

Mark (mhpautos)

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Tuesday, December 22nd, 2009 AT 7:43 PM

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