Surge in RPM's started when in cruise, now it is happening most of the time at higher speeds. Check engine light does not come on.
Sep 22, 2010 at 12:25 PM
Advertisement
JACOBANDNICKOLAS
✓Experienced Mechanic
110,240 POSTS
Have you checked the Idle Air Control valve (IAC)?
Sep 24, 2010 at 4:35 PM
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.