While traveling at highway speed engine speed changes two to three hundred rpm.
Oct 14, 2010 at 11:22 AM
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DOCFIXIT
✓ASE Certified Mechanic
18,828 POSTS
Maybe droping in and out of overdrive
Oct 14, 2010 at 11:46 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.