#p0300
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96 Tahoe Random Misfire P0300
Hello Gentlemen, I'm at a loss on trying to find the source of my misfire. The strange thing is it only happens when I fire it up in the mornings and will last my whole commute to work, which is about 30miles. It only throws a P0300 code and something is definitely telling it to dump too much...- laredo1307
- Thread
- #misfire #p0300
- Replies: 35
- Forum: Engine & Drivetrain
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A
P0300 random misfire
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...- Anusface69
- Thread
- #misfire #p0300 5.3l chevy tahoe 2005
- Replies: 17
- Forum: Engine & Drivetrain
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07 yukon 5.3l flex p0300 after lots of money spent.
I have an 07 yukon 5.3l flex fuel with 195,000 miles. I know the P0300 code has been addressed a lot but mine may take the cake and I’m lost. I spend $4800 to have lifters replaced by certified mechanics. Heads were milled and the repair was done correctly. I had 2 lifters go bad and had...- mikechrisclark
- Thread
- #07yukon #p0300 random misfire
- Replies: 7
- Forum: Engine & Drivetrain
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2015 6.2 misfire on #8 Help please.
I have a 2015 yukon xl with the 6.2. It started misfiring on 8 and so far I have done the following. 1. New Plugs 2. New Plug Wires 3. New Injectors Still, the misfire is there. I get the P0300 and then the P0308 code and I am at a loss as to what to try next. Oh and I swapped the coil out...- RayRaysJukeJoint
- Thread
- #misfire #p0300 p0308
- Replies: 5
- Forum: Engine & Drivetrain
