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Hi, I'm Chad. Welcome to JustAnswer. I'm reviewing your question and I will be posting your reply ASAP.
hey how are you
1- you definitely have a random multiple misfire
2- so do we have a vacuum leak, did you check , around the intake ?
3- is your timing correct did you check ?
4- what are the fuel trims log & short & your scanner at idle
5 what scanner are you using these are not valid code for me ?
Please let me know
ASE Certified Technician
i see but they are not matching for me , i will opt out for another expert to help you with it .
I can help you these are misfire faults , can i ask why you replaced the crankcase breather valve did you have a system too lean fault ??
Have you checked the rear main seal and did you remove the carbon off the intake valves when the intake was off ??
not the carbon off the intake but the intake build up on the intake valves since this CCTA motor has a lot of issues causing this type of concern