I posted earlier today. My truck was diagnosed with having a bad u joint in its drive shaft. I picked it up this afternoon and had a reoccurrance of another problem! Three months ago I had a blinking check engine light - a multi cylinder misfire. My mechanic changed the plugs, wires, and…

2001 GMC Sonoma is misfiring again

manfromnantucket May 7, 2010, 11:22pm 2

To clarify - he replaced the plugs, wires, and oxygen sensor in March. It ran fine…until today.

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