I just had the same problem, the shop could put 12 v on the fuel pump and it would work. They found that the fuse block was shorted and caused ECM to have burnt components. Had to replace the fuse block and the computer.
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sounds like either the fuel pump relay or the fuel pump itself has gone out. check fuse panel first then check fuel pump relay. if those are good then check power leads to pump at tank and if you have power there then the pump has probably failed. hope this helps. Chris
do you hear fuel pump operation if yes replace fuel filter.if you dont hear fuel pump running could have open short in fuel pump harness or could have faulty fuel pump relay faulty automatic shut down relay,fuse or PCM.if fuel system okay check for spark at spark plugs no spark could have faulty ignition coil,camshaft sensor or crankshaft position sensor.
the relays are quite dependable now a days,check the fuse for the fuel pump in the fuse panel under the dash if the fuse is good then the relays are under the hood in a large relay box.you can interchange the relay with another relay that is the same as long as the relay is not used to run anything to allow the car to start.this will eliminate the relay.if the fuse is good you can just go from there to have someone bang on the fuel tank near were the fuel pump would be(middle of the gas tank),while someone tries to start the car,if it starts then it is the fuel pump that needs replacing and you won`t have to bother with the relay in the second step mentioned above.also the fuel filter could be plugged but you should hear the fuel pump working first.also just because you hear the fuel pump working it doesn`t mean that it is pumping at the correct fuel pressure
You need air, fuel, and spark to start your vehicle. It may be the fuel pump, filter, fuel pump fuse/relay. You should be able to hear the fuel pump kick on when you first turn your key. Fuel goes to the pump, filter, lines, and engine. If it is getting gas, you need to check for spark. Spark plugs/coil wires, distributor, dist.cap, cam sensor, ect. It can be anyone of them. Check for gas and spark.
First and easiest to find out if the fuel pump is coming on is just to turn the key to the on position. You should hear it make a hum noise...but you will hear some sort of noise. That's the fuel pump. If not, then check the relay/fuse.
Fuses are located either in the engine compartment or passenger compartment fuse and relay panels. If a fuse blows, a single component or single circuit will not function properly.
Replace the fuel filter. It should be in line with the fuel pump on the inside of the frame on the driver's side forward of the pump. There should be 1 or 2 bolts securing the bracket in place. Leave them tight and remove the fittings on the front and rear of the filter. Fuel will begin to leak from the lines as you loosen them so keep you face safely away from that area. Once the fitting nuts are backed out completely, remove the bracket bolts and then the filter. Reverse the steps to reinstall.
can you hear the fuel pump when you turn the ignition key to start position??( you should hear it start then stop after few sec.) If not, this could be the fuel pump fuse,some bad contact in the wiring of the fuel pump or the worst case the computer.but if you do,unplug your main fuel line to the injector turn the switch to start position again to see if you have some fuel coming out.if not this could be the fuel filter or the fuel pressure switch! hope this will help you...lipak!..
Quick safe way to check fuel pump. Put key in and turn to ON position listen for the pump to buzz or hum. Don't hear it its either the relay, pump or circuitry.
There are other tests but too envolved and dangerous to do. Bring vehicle to repair shop if you don't hear pump buzz. If it Buzzes them problem is either with spark or air.
need spark tester to test for spark. Do visual inspection on air intake plentium (no wholes, leaks) make sure mass airflow sensor is a-ok.