Close
Car Questions
RepairPal is your advocate for car care advice and guidance

Why does engine rev high on its own when air conditioner is on?

(1990 Mazda Miata MX-5)
in Golden Valley, AZ on July 19, 2013
This happens every time I turn on the air with the fan on. The car has over 168,000 miles. Please help because it is extremley hot here, 120 degs. in Lake Havasu, Az.
RepairPal estimates are guaranteed at over 2,000 quality certified locations nationwide. Learn more

Similar Questions

View answers to similar questions from RepairPal's community of auto experts and enthusiasts.
2006 mazda mx5, 50,000 miles. Engine light came on 2 weeks ago. Checked code and it comes up with the knock sensor, ...
Car will go into all gears but will not move after releasing the clutch.
Didn't find what you were looking for?