Searched for: The truck starts fine and idles, but when I give it throttle it does not speed up. It wants to die , it backfires or pops back up through the intake and barely runs. Return throttle back to idle and it runs good. I've put in a new distributer, tried two other throttle positioning sensor and a mass flow sensor, new spark plugs, fuel filter and fuel pump. What's next?!
Plug wires on correctly? Have you checked the timing? How long since timing chain has been replaced?
Plug wires are right. Put new dist.on set timeiing then . Donot know if timing chain been changed.
ignition module by the coil. shoiuld have 12v to the red wire and 0 on the black . ONly way i know how to test them is to change it with a working one
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