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M
mridgewayii
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M
mridgewayii
reacted to
Mudsport96's post
in the thread
2003 Tahoe 5.3 VIN-Z - P0300 With a Twist
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If you can get a helper looking at moving rockers is easier. Remove coil packs and valve covers and pull the fuel pump relay. Have...
May 7, 2024
M
mridgewayii
reacted to
Tonyv__'s post
in the thread
2003 Tahoe 5.3 VIN-Z - P0300 With a Twist
with
Like
.
Keep us updated and good luck
May 7, 2024
M
mridgewayii
replied to the thread
2003 Tahoe 5.3 VIN-Z - P0300 With a Twist
.
I agree and I thought that in the beginning but after driving it 10-15 miles … I would think the O2 sensors would have been hot enough
May 6, 2024
M
mridgewayii
replied to the thread
2003 Tahoe 5.3 VIN-Z - P0300 With a Twist
.
Well, your post made up my mind. I’m going to pull the valve covers this week to see. I’m pretty competent at troubleshooting and...
May 6, 2024
M
mridgewayii
replied to the thread
2003 Tahoe 5.3 VIN-Z - P0300 With a Twist
.
Dang, I feel like we are in the same boat. I thought lifters but thought I ruled it out because for a while it was intermittent. The...
May 5, 2024
M
mridgewayii
replied to the thread
2003 Tahoe 5.3 VIN-Z - P0300 With a Twist
.
Well, in the truest sense, yes, I keep a copy of the base tunes and flash it back. That said, unlike my other vehicles the only thing...
May 5, 2024
M
mridgewayii
replied to the thread
2003 Tahoe 5.3 VIN-Z - P0300 With a Twist
.
I agree and that is what finally caught my attention. I have removed the PCM, cleaned the pins with contact cleaner, and reinstalled...
May 5, 2024
M
mridgewayii
posted the thread
2003 Tahoe 5.3 VIN-Z - P0300 With a Twist
in
Engine & Drivetrain
.
Folks, the dreaded P0300 but quite the twist. Solve this one, tell me drink of choice, and I will figure out how to get it to you...
May 5, 2024
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