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Fuel Pump Fuses 200 1989

Just out of curiousity, Why did the Volvo continue to run when I pulled out both fuses? 1 in tank pump fuse and 1 main pump fuse. Pulled them both out and the car ran fine. I let it run for about a minute trying to reduce the pressure in the fuel line. The car is 100% dealer serviced and never had a wire cut on it, ie. no rigging.

Neil

Also I finally solved the running rich problem. Computer!

Changed;

Mass Air

O2 sensor

Fuel Pressure Regulator

Cooolant Temp Sensor

TPS

WARNING Be extremely careful when you jump start other cars, I believe this was the fault. Possibly a spike from a big spark.








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    Re: Fuel Pump Fuses 200 1989

    neil,

    i too have the same problem on my wife's 85 245. i have put a post before with little response. the problem on my car came out of the blue. a few months before i could relieve the pressure by pulling just the main fuel pump fuse out and the car would die. then when changing the fuel filter no luck, i could pull both fuses and the car ran normal. i am lost as well. maybe somebody knows the trick to cure this weird problem.

    will








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    Re: Fuel Pump Fuses 200 1989

    Neil,

    Which fuses are you pulling, the ceramic ones by the kick panel #1 or #6 or is it the red plastic one under the hood by the power distribution block, on the driver side inner fender?

    When I pull #6 the pump stops and the engine cuts out.

    Steve M.







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