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Grounding issues?
I have a 2000 GMC Yukon XL that has misfires and has crazy gauge fluctuations when first started but when I run it through a car wash or it rains for several days the check engine light goes off and it runs great until it dries off. I’ve checked almost everything and replaced the ECU. Is this...- xulferdica
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- Replies: 5
- Forum: Engine & Drivetrain
