Question about 1995 Buick Regal

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What order do you go in diagnosing a fuel problem on a 1995 buick regal (3800)? Fuel filter, fuel relay fuel pump?

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First listen for the pump when you turn the key on (not start). If your don't hear the pump come on, check the fuse and relay in the engine compartment fuse box. The relay should click when the key is turned on. If it doesn't click, interrogate the relay socket following the procedures here: http://www.fixya.com/cars/r6022358-relay_check . If the relay is not getting a signal to turn on, you will need the wiring diagram to find out why. We have access to some of these diagrams, or you may find it at your library.

If the pump is coming on, the problem may be with the regulator or the injectors.

Please see my tip at http://www.fixya.com/cars/r5821173-doesnt_car_start_gasoline_engines . These are generic instructions. If you get stuck or need specific instructions for your car, please get back to me with model, year and engine info.

Posted on Oct 08, 2010

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Best place to get that may be your public library.  Many have the Mitchell electrical manuals in stock.

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