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Please help, engine runs very poorly!
Thanks Fless, those are some great suggestions. I'll get that information!- los341
- Post #6
- Forum: Engine & Drivetrain
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L
Please help, engine runs very poorly!
Thank you Marky, I'll try swapping coils and checking engine to chassis ground quality. Carl- los341
- Post #5
- Forum: Engine & Drivetrain
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L
Please help, engine runs very poorly!
Hello, I have a recently acquired 2005 GMC Yukon XL 1500 SLE with a 5.3L flex engine. It's been running poorly ever since I got it. I've been trying (diligently) to figure it out to no avail. I've done so many things to it and nothing has helped. I'm running out of ideas. Symptoms include...- los341
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- Replies: 6
- Forum: Engine & Drivetrain
