SOURCE: 2002 chevy Blazer hard starting
This sounds like the fuel pump is shot. The pump has a 'dead' spot and when the engine is started by using 'nasty' starting fluid it will go to the running mode and run fine. Never use starting fluid!!! A bit of gas is best, just use common sence. Frankster016
SOURCE: Location under hood for fuel pump relay on 2002 Mazda Millenia S
JUST RELEASE THE PRESSURE AT THE FUEL PRESSURE TEST PORT ON THE FUEL SUPPLY RAIL THAT SUPPLIES THE INJECTORS, IT IS A METAL VALVE LIKE A TIRE VALVE, THAT IS THE FACTORY RECOMMENDED METHOD..
SOURCE: location Fuel Tank Pressure Sensor on a 2005 chevy express van
lOOK UNDER THE REAR OF THE VEHICLE ABOVE THE SPARE TIRE ON A CROSSMEMBER BETWEEN THE FRAME RAILS.
SOURCE: 1987 chevy s10 2.5l tbi will not start. changed
That eliminates the crankshaft and camshaft position sensors. Have you checked the fuel injector itself for an open winding or stuck valve plunger? There should not be a steady 12 volts to the injector--if good injector, it would be spraying fuel steadily into the throttle body. But at least the engine should try to run if poorly. Take the injector out, dry it off with air, and intermittently apply 12 volts to one terminal while grounding the other. You should hear a click from inside every time you touch 12 volts. If not, replace it. If it does, it may be plugged with debris. Try blowing through it in reverse with compressed air.
SOURCE: 95 2.5 jeep wrangler stalls consistantly and will
I had the same issue with my 4.0, I went through all the same BS you did and in the end it was a faulty fuel pump. Pricy i know but im sure thats your problem
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