1991 Volvo 740 Repair Question
Asked on August 22, 2008
1991 Volvo 740 not blowing
when car is idle the ac is great, but when i accelerate it dosent some out the vents until i am off the gas.
Asked by volvoloverAnswer
Replied on August 22, 2008
check for a leak in the source vacuum line that goes from the hvac control to the engine. Might have a check valve on it that is bad or a small leak in the line