ECONOMETER STAY IN RED ZONE NO MATTER WHAT SPEED YOU DRIVE OR IDLE ?

  • Tiny
  • johan stander
  • 1990 Mercedes Benz 300e
  • 280,000 miles

300e 1990 w124 serviced / bought 3 weeks ago

Thursday, December 15th, 2011 AT 6:53 AM

1 Answer

  • Tiny
  • rivermikerat
  • Expert
  • 6,118 posts

Check air filter, fuel filter, fuel pressure, and spark. Also check compression. It should be at least 120 PSI and not vary more than 15% from highest to lowest.

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Thursday, December 15th, 2011 AT 7:21 AM

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