Question about 1989 Chevrolet C1500

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1989 Chevrolet C1500 with 5.7L V-8. Engine dies

Engine dies when accelerating from a stop when engine is cold or hot. Idles and runs smooth, revs freely with transmission in neutral, and returns to a normal idle after rev.
Ignition wires replaced, coil, Idle Air Control Valve, Throttle Position Sensor, Fuel Injectors, MAP Sensor, Knock Sensor, Oxygen Sensor, checked por proper voltages and operation. Removed throttle body and cleaned vaccum ports to remove any carbon build-up.

1989 Chevrolet C1500 with 5.7L V-8 and automatic transmission (700-r4?).

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Don't know for sure but my 98 had simmilar problems and it ended up being the ignition switch,not the key switch but the actual ign switch.worth a try.

Posted on Jul 28, 2009

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Fuel pump is working but when accelerating it doesnt pump enough fuel up to the engine then it will fall on its face if it is a electric pump you may have to drop the tank if it is inside and replace it if it is on the engine replace it thats what is exactly wrong with it

Posted on Jul 31, 2009

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This will help.

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