I recently tried to start my 94 Sundance Duster and it would not start because there is no fuel being pumped from the fuelpump. It is the 5 speed manual 3.0L V6 model. I did end up testing the fuel relay and it did work. Then I tried testing the Fuel pump with direct current from the battery And it blew the fuel in the tank about 3 feet so i know that the pump still does work. But when i turn the key it wont pump the fuel. Please help, any ideas?
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This is common, the pump will run for 3 seconds when key is turned to the "on" position to prime the fuel system, then it will be turned on by the ECU when the engine is started by a signal from the crank sensor.
If you feel like the engine is still ok, I would look at the oil pressure and check engine light issues. On engines with fuel injection, the fuel pump is powered by the pump relay until the engine starts. Then the engine has to have oil pressure to keep the fuel pump powered. Its a safety feature so if you are in a wreck the fuel pump does not keep running if the engine is off. I would want to know why the oil pressure light is staying on and what the trouble codes are in the computer.
There are three small relays together on the driver side fender. The front relay is the ASD relay, the center is for the air cond, and the third is for the fuel pump. Be sure and test the ASD relay since it powers several components including the injectors.
any time you replace the fuel pump you MUST replace the fuel filter. Sounds like it could be a couple of different things. Pick up coil if it has a distributor. bad coil pack. Replace fuel filter first .Good Luck!!!!