I HAVE AN 89 CADILLAC FLEETWOOD BROGHAM RWD

  • Tiny
  • Anonymous
  • 1989 Cadillac Fleetwood
  • 83,567 miles

I have an 89 Cadillac Fleetwood Brogham RWD. Once it warms up mid range 40-45 mph lack of power, then when letting off the gas idle gets so low the stop engine light blinks and comes on and off. I put it in nuteral to speed up the idle to keep the stop engine light from staying on.

I am planning to install a new exhast system could it be a plugged muffler or Cat convertor?

Has new wires, Dist. Cap, Rotor, Plugs, PCV value, Fuel Filter.

Tuesday, October 23rd, 2012 AT 2:29 AM

1 Reply

  • Tiny
  • rasmataz
  • Member

I am planning to install a new exhast system could it be a plugged muffler or Cat convertor? To confirm an exhaust restriction do a backpressure test

Try pulling code/s from the computer and check/test the idle air control valve, throttle position and manifold absolute pressure sensors-

Review this link: http://www.2carpros.com/articles/engine-has-low-power-output

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Tuesday, October 23rd, 2012 AT 3:27 AM

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