I have a 2003 explorer with 137k. I have replaced the plugs, wires, coil, and the manifold intake but the truck still idles slightly low at times as if it has a miss fire somewhere it feel like i have a vacuum leak. what am missing?
RepairPal Certified shops can diagnose and repair your 2003 Ford Explorer. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
thanks...i will have someone take a look because i'm ready to give up and get rid of it!