1985 Cadillac Brougham Fuel

Tiny
SWORGANICS
  • MEMBER
  • 1985 CADILLAC BROUGHAM
  • V8
  • 2WD
  • AUTOMATIC
  • 140,000 MILES
I replaced the fuel filter, fuel pump, & fuel pump sending unit. The car will not get above 20 mph, acts slugish, to much fuel, or not enough, acts like it is loading up. The symptoms are the same as before I replaced the items above.
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Saturday, July 25th, 2009 AT 7:58 PM

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Tiny
FACTORYJACK
  • EXPERT
HAve the exhaust backpressure checked, pull an oxygen sensor, or disconnect the exhaust before the cat and drive. If it is better, you have an exhaust restriction. If you are getting black smoke out the tailpipe and the exhaust system is not plugged, a possible map sensor, or vacuum supply to such. I think the map sensor is on the ecm, but not 100% sure.
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Monday, July 27th, 2009 AT 10:18 PM

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