Questions & Answers for: GMC C1500 2 8 tps replace

...'92 4.3L Vortec runs fine cold after 40 mi. it seems to go lean and won't accelerate. I am thinking TPS, because you can feather throttle and slowly gain RPM. I have replaced all vacuum hoses. Codes ...

...it goes into gear will not idle at all Trouble Code 22 indicates that the Throttle Position Sensor (TPS) is reading abnormally low. TPS volts should be close to 0.42 V at closed throttle and rise ...

...it and the waving went away but have a high idle now. Checked and changed the temp sensor and tps, but still have the high idle and quick shift on the tranny. Will idle fine here and there and ...

Trouble Code p0122 tps has been replaced and still is not fixed. It dies when accelerator is pressed, jumps and misses, let of on the acc. and it catches up and accelerates sluggishly. Can the be ...

replace them instead of trying to fix one. There are three or four on the TBI and are easy to change out, or just change the whole TBI unit, I don't think they are very expensive for a used one. There