I also wanted to add that a compression test was done and got 90psi on #1, cleared it and bumped it a second time and got 120psi. Checked #3 cylinder and it also had 120psi.
Hi y’all. I have a 2007 Tahoe flex 5.3 with 148k. Just bought the car a couple weeks ago. The previous owner didn’t know much about it but it had a p0301 cylinder 1 misfire with stabiltrack and flashing engine light. So I did my part and went and replaced coil pack, spark plugs, swapped wires...
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