I WAS DRIVING AND ALL OF A SUDEN MY CAR STOPPED AND DID NOT TURNED ON WELL I CHANGE THE GAS PUMP, FUEL PUMP RELAY, CHECK AGAIN AND TESTED OLD AND NEW FUEL PUMP THEY BOTH WORKED KNOW MY CAR WILL NOT TURN ON?
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If no fuel is getting to the injectors replace the fuel pump relay. The engine oil sensor has a 3rd wire that sends the signal to prime the pump as you may know. When the oil pressure is reached to the normal range the computer shuts off that circuit to the oil sensor and turns on the relay to the fuel pump
The fuel filter may be dirty and not permitting the proper fuel flow, or the Fuel pump may have gone bad. If you turn the ignition on with the window open or your standing out side you should hear the fuel pump pressurize the fuel line for 3 seconds. If you think you didn't hear it you can try again. If you do not hear it check the fuses to the ECM and Fuel pump. The fuel pump relay is in the glove box behind a panel that say relays. there are three of them, switch the relays around to make sure the relay did not go bad and i think the middle relay is the one for the fuel pump. The last thing would be to check is the fuel pressure, there should be 60 to 65 PSI when the system is pressurized and you can check that at the shredder valve on the fuel line towards the rear of the engine on the drivers side.
Ok lets recap, Check and listen for the fuel pump, if you can not hear it check the fuses and relays. oh and almost forgot there is a wire harness from the frame to the gas tank on the drivers side that may also be corroded, check for loose connection.
If you can hear the fuel pump, change the fuel filter and check the fuel pressure at the shredder valve, your going to have to rent a fuel pressure gauge to connect to the shredder valve. IF you want to save some money, just change the filter and if that did not help then check the fuel pressure.
Good luck and keep me posted