Quote:
Originally Posted by Stl-986
everything is bank 1, pass side.
On the header is a small bolt it is right in the tube for cyl 2 before the 02 sensor, that is what I removed. Tried 2 different o2 sensor tools and that thing isn't budging right now. It's going to need some heat cycles to break it free.
Not only do the misfires increase, they reset themselves to 0, and never throws a code.
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They are all or mostly on cyl 1 not random across the bank.
So what's going on with cyl 1 ??? also after holding higher RPM
Is it heat related???? we know that cyl 1 coil and plug is ok at idle.
try switching the with cyl 2 and see what happens if you do the same thing you just did.
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