Q: Truck runs fine til warm. Have replaced distributor cap, plugs, wires, rotor button, tps, coolant temp sensor, idle air c 1997 Chevrolet Sierra 4.3 L
Truck runs perfect at idle. Runs worse as gets warmer. Loses throttle down to 1500 rpms. Tps,iac,coolant temp sensor, o2s, map, maf, air filter, distributor cap, rotor button, plugs, and wires all changed. Fuel and intake flushed, 52 psi on pump at crank. Shows tcc open on code. And cat is removed as well. Lost on what else it could be
My car has 119000 miles.
My car has an automatic transmission.
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