WyomingTahoe
New Member
I just replaced my TPS and IAC a while back, and now I'm having a surging problem at idle. I'm also getting terrible gas mileage. Here's a list of things done within 40,000 miles of putting in the new engine.
Most of top end has not been replaced other than mentioned. The car has 203,000 miles. Any body think they know what the problem is?
- MAP sensor replaced
- O2 sensor replaced
- Catalytic Converter & muffler replaced
- Both coolant temp sensors replaced
- Spark plugs, distributor cap, rotor, and wires replaced
- TPS & IAC replaced
- Fuel pump replaced with engine, fuel filter replaced 5,000 miles ago
- AC System: compressor, condenser, sensors all replaced
- Transmission fluid, all filters in engine and transmission
Most of top end has not been replaced other than mentioned. The car has 203,000 miles. Any body think they know what the problem is?