Having problems with your 1989 Chevrolet C2500 ?
High idle 89 c2500..5.7 TBI... starts normal idles fine, then sputters a bit and kicks into a high idle and wont stop.. i recently replaced the following-- Fuel pump,fuel filter, TPS, coolant temp sensor,ignition control module, idle air control valve, ignition coil, cap, rotor, wires, plugs, starter, fuel injectors...sometimes it wont idle high and i can drive it for an hour or so with no problem..then out of no where it'll start idling high.. im confused ..if anyone has any suggestions ple
It's probably one of two things , a vacum leak or a bad ground.
Repair Help & Product Troubleshooting for 1989 Chevrolet C2500
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