RUNS ROUGH ABOVE HALF THROTTLE OR UP HILL AT LOW...

  • Tiny
  • Anonymous
  • 1995 Chevrolet Lumina
  • 180,000 miles

Runs rough above half throttle or up hill at low engine speed I changed plugs and wires but that only raised the speed that the roughness seems to start

Thursday, January 3rd, 2013 AT 12:00 AM

1 Reply

  • Tiny
  • rasmataz
  • Member

Check the fuel pressure with a gauge if its within specs, also the exhaust system for excessive backpressure then report back your findings-we start here

http://www.2carpros.com/articles/engine-misfires-or-runs-rough

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Thursday, January 3rd, 2013 AT 12:06 AM

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