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PPotius replied to the thread Misfires on one bank.Well another update. Figured out the shudder I was low on trans fluid due to a small leak from pan which I have fixed yesterday while...
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PPotius replied to the thread Misfires on one bank.Wires are new genuine gm tested resistance even first. Plugs are newish at about 10k miles. Tried swapping coil packs and plugs back and...
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PPotius replied to the thread Misfires on one bank.Ok so fun update. Unplugged the range obd2 afm disabler for first time in 5 years and went driving around town. She runs a lot rougher...
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PPotius replied to the thread Misfires on one bank.Well took off the purge valve solenoid and tried to blow through it but wasn’t able to indicating that it was good and still closing...
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PPotius replied to the thread Misfires on one bank.I don’t seem to have the injector balance on the scanner for the Tahoe but the running fuel pressure was 55psi. Gas is e10 standard...
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PPotius replied to the thread Misfires on one bank.Here is 2 pics I took earlier today of fuel trims. Side note when I checked for vacuum leaks I did a smoke test from a few different...
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PPotius replied to the thread Misfires on one bank.Will check that next. Maf was at 6 g/s idle 600 rpms. 11.6 g/s at 1200 rpms and 18ish g/s at 1800 rpms. Maf readings seem to be within...
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PPotius replied to the thread Misfires on one bank.Vacuum leaks was one of my first tests I did. Smoke tested from a few different spots and didn’t see any leaks
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PPotius replied to the thread Misfires on one bank.Side note I made sure to check O2 sensors and they are new and reading good and went with genuine gm. After all this I’m starting to...
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PPotius replied to the thread Misfires on one bank.Ok so changed scanner to read g/s and went on a 100 mile trip. My maf seems to be sending some data and it does rise proportionally to...
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PPotius replied to the thread Misfires on one bank.What led me to unplugging the maf was the scanner reading. At idle it was .01 and at 3k rpms it only got to .02 I believe it’s in lbs/min
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PPotius replied to the thread Misfires on one bank.Yea I’ve given up hope of finding an oem one lol so I was thinking either Delphi or cardone. I usually like ngk but it looks different...
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PPotius replied to the thread Misfires on one bank.Can’t see tank pressure voltage on scanner or anything similar. Steady felt misfires still on cylinder 4 and now 3 only at idle and no...
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PPotius replied to the thread Misfires on one bank.Yea sorry
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PPotius replied to the thread Misfires on one bank.The stft for both is around 0. The ltft around -18%. O2 sensors are new and genuine gm with all reading good voltages. As to oil I did...
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