I have a confirmed fix. Replaced cheap ignition coils with Delphi and the truck is fine. Can I ask questions about the hydra boost here or should I start a new thread?
I knew it was too good to be true. Under light load started misfiring only on 6, when I got closer to the shop after about 5 miles misfiring on 6, it started misfiring only on 7. Ltft at idle:
Bank one 12%
Bank two 5%
At 2000 rpm
Bank one 16%
Bank two 14%
Stft at idle: both banks 0
At 2000 rpm...
Today I replaced the CKP sensor. Test drove under the same conditions and had zero misfires. Gonna drive tomorrow to see how it goes, and get the last two readiness monitors ready. I will let you guys know what happens. I really do appreciate all the tips and input, I’m an Audi guy so it was...
I forget what they were off the top of my head but I know they were higher on one bank than the other, I’m assuming cause the manifolds held on by like 2 bolts
Hello. I am having issues with a 2005 Tahoe 5.3. The truck starts and runs fine for a few minutes and then out of the blue it will throw p0300 and randomly misfire. The truck will misfire for a few minutes and then run perfectly fine after.
If I watch the misfires I’m live data when this occurs...
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