I've come to the Impala Forums today for the users infinite wisdom on this v6 wonder machine. I'll paint a full picture of the problems, so please read thoroughly.
Problem 1:
Randomly revs up and down while under acceleration, idle is steady. Disconnected battery to see any difference with no success, MAF, TPS, and IAC seem to be fine.
Problem 2:
Overheats like crazy, temperature is being read properly and fans kick on normally.
Problem 3:
Check engine light is on, code reader did not read any codes/got bad data. Disconnecting the battery does not remove the check engine light even for the slightest amount of time.
Other Information:
Engine has been swapped by a non professional or licensed technician. I assume the wiring harness was not installed correctly and the problem could be related to that. I fear it may be a transmission problem, so can someone please calm my nerves about that. I'll change sensors and fluid all day, I just don't want to take the engine or transmission out.
Thank you in advance for your trusted advice and experience.
Problem 1:
Randomly revs up and down while under acceleration, idle is steady. Disconnected battery to see any difference with no success, MAF, TPS, and IAC seem to be fine.
Problem 2:
Overheats like crazy, temperature is being read properly and fans kick on normally.
Problem 3:
Check engine light is on, code reader did not read any codes/got bad data. Disconnecting the battery does not remove the check engine light even for the slightest amount of time.
Other Information:
Engine has been swapped by a non professional or licensed technician. I assume the wiring harness was not installed correctly and the problem could be related to that. I fear it may be a transmission problem, so can someone please calm my nerves about that. I'll change sensors and fluid all day, I just don't want to take the engine or transmission out.
Thank you in advance for your trusted advice and experience.