Truck will only run at half throttle
Can anyone help with this condition. I have a 1987 truck with a Z24 motor. Manual trans. TBI. The truck will cutout if you mash the gas more than half way down. I have already changed the fuel filter, plugs, wires, distributor cap and rotor button, I also changed the Throttle body none of these things have helped. Any suggestions would be appericated.
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