GMC Other Repair Question
Red hot catalytic converter
it wasn't giving you any missfire codes???? hmmmm??? red hot can also be to lean if the converter is clogged. good luck
3 questions asked
changed the 02 sensor, no change.
any other suggestions???
does anyone know what problems a damaged lock up torque converter or the tcc solenoid cause?
Hmmm Check the EGR valve , I think a fault valve will heat up the converter also. If the lockup clutch stays engaged it will more than likely burn out the lining and send particles of it through out your trans.
2 questions asked
i fixed it!, 1 of the 3 coil packs was bad, 20 bucks and the car runs like new
Glad you got it fixed.
As for your question about the TCC (future reference :wink: )
When you are driving over 50MPH on an automatic transmission the TCC will engage to reduce wear and tear on the transmission and increase fuel mileage. If the TCC and/or solenoid goes bad it will not disengage when slowing down. It is like running a manual transmission without a clutch. The car will stall, constantly. The biggest complaint is, "I was driving on the freeway and when I got off and stopped at the next stop light the car started to idle rough and then stall completely."
5 questions asked