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Maybe I missed that...getting old. Yes, I would use Techron first then use the Chevron gas to help keep them clean. Back in the day, I was a Service Manager for a BMW dealer and we would use the walnut shells to clean the exhaust port in the head, but, everything had to come apart and a special machine would blast the chamber with the shells and vacuum it out at the same time. It is not for a "Harry home owner" to do. I wouldn't bother if it is running smooth. There my nickel. LOL -
OK.... so I think it is fixed this time. New updated program required to get this running is #PIT6504 dated Apr 1 , 2026. Appears the applications cover numerous Chevy and GMC vehicles with fwd col, AEB, and LKA options. Hopefully this helps someone out in the future with these issues. -
If the plugs all line up, then it should be okay to go. -
By Rad_Rado17 · Posted
I just delt with this this morning. Already replaced my condenser two years ago. I didn't have to replace my blend door actuator, I just had to do the relearn process and it worked. -
Thanks for the reply. I am reading other articles talking about how it will work if you reuse the ECM from the 2021. Which I can do. But I wont't get any of the additional torque... which I don't really care. I just need it working. Trying to decide if I keep the engine or if I have to return it and go find another engine?
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