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Problems with 99 Yukon
ok here it is. I have a 1999 Yukon with 147k miles. I have recently replaced the plugs, plug wires, fuel pump, fuel filter, put a flow master exhaust on it, new cats, o2 sensers and an airaid intake system on it. a couple days ago i fired it up and check engin light started flashing at me, I...- buckeye026
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- Replies: 17
- Forum: General Discussion
