1993 Volkswagen Jetta Q&A
1993 Volkswagen Jetta Question: Idle when the air conditioning is on
It may be that the idle valve is not working properly. - lawrenceg
I looked it up and it said that it is a "throotle motor bank electrical malfunction" but I don't have any experience in newer engines. What is the first step in finding and troubleshooting this fau...