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intermittent misfire on cold start or while driving hot! cant make sense of it!
Hey all-- I am wracking my brain with this one. 2002 Yukon XL 5.3 regular fuel, 150K. I am getting the most random misfire! One day it will be on cold start and it wont go away until the engine is almost to operating temp. I have to shut it down and restart it several times. Sometimes it will...- b4heroes
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- Replies: 2
- Forum: Engine & Drivetrain
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02 Yukon Xl 5.3 Driving Me Crazy
Hello- new here and a long post, so bear with me. 02 Yukon XL with 150K. Came off a 20 minute freeway drive- at off ramp, started misfiring. Could feel the shaking, MIL flashing. Drove a mile and parked it. Restarted and it started just fine. Ran fine for a couple days. Did it again while...- b4heroes
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- Replies: 0
- Forum: Engine & Drivetrain
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