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2003 olds alero run the the car about 20 miles stop shut car off try 2 start again won t start new fuel pump fuel relay crank sencor still doing the same thing
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If it is either sensor you will get a check engine light. So check this, A faulty fuel pump relay can cause the car to come to a complete stop while driving, its like running out of gas. It may be getting hot and shutting fuel pump down. Try swapping another relay of the same size, For the pump to see if its a bad relay. It may be is shutting the fuel pump down, when it gets hot.
IT IS LOOKS LIKE A FUEL PRESSURE LEAKING INSIDE THE ENGINE OR DEFECTIVE FUEL INJECTOR LEAKING . TRY DISCONNECTING THE FUEL PUMP RELAY. AND CRANK THE ENGINE IF ALWAYS CRANK WITH OUT OF FUEL (CRANK WITHOUT START) YOU HAVE FUEL LEAK INSIDE THE ENGINE
REMOVE THE INJECTORS RAIL UP EVERYTHING CONNECTED,PUT BACK THE FUEL PUMP RELAY TURN THE SWITCH ON AND FIND WICH ONE IS LEAKING. (GASOLINE IS FLAMMABLE TAKE CARE)
Try changing or switching out the distributor. Most likely getting hot and shuts down. Does it crank but no start whenever it stops? May only start when it cools down again.
Have you had the vehicle hooked to a diagnostic scanner ? Check the ASD relay ? - auto shut down relay . Relay's do go bad . The ASD relay on your vehicle power's fuel pump , ignition coils ,fuel injector's ,O2 sensor heaters etc...
yea you have no fuel and sound like a bad harness and the gm's are know for there fuel pump harness's! did you change it when you changed the pump? there is a lose connection somewhere in the fuel delivery system and it's pretty simply! i would check the fuel pump relay on the left hand side of the engine compartment and maybe even put power to the pump at the relay position "b" on the fuel pump relay harness and there should be a one pin connector to put power to also connected to the same position on the relay "b" the wire should be tan and white! good luck
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