This morning when we started the expedition, the check engine sign went on and the engine when we tried it was running rough.
Jan 6, 2009 at 5:16 AM
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JACOBANDNICKOLAS
✓Experienced Mechanic
110,248 POSTS
Hi:
Take the car to a nationally recognized parts store and have them scan it. Most stores will do it for free. Chances are it's a coil pack problem, but I can only guess without a code.