SOURCE: Hyundai Sonata 2002 idle at high RPM and accelerate 40-45 MPH
Look for a vacuum leak somewhere. This is the most common problem for a high idle.
SOURCE: the car will not accelerate;
this sounds like 1 of 2 possible problems.
a bad headgasket or a clogged catalytic convertor. i would lean more towards the convertor
SOURCE: High idle speed, it goes on its own to 40 mph, 2002 hyundai accen
Throtle position motor faulty
1,813 views
Usually answered in minutes!
×