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#5 and #7 misfire
Hi, I have a 98 GMC Yukon (5.7L Vortec). Recently it started running pretty bad. Sometimes I would start it and it would drive fine for probably 15 minutes and then it would start misfiring… badly. Sometimes I would start it and it would misfire really bad and then as I forced it to drive it...- rAiNTwist
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- Forum: Engine & Drivetrain
