Questions & Answers for: runs rough with ac on

runs rough in drive and worse when ac is on . Car has good power w/o ac on .last tune up was last summer and timing belt replaced . car has 171,000 One thing to change right off is the fuel filter. If

my 1996 VolksWagon jetta AC makes it run rough my 1996 VolksWagon jetta and every time i turn the AC on even when idling it starts running really rough and loud? i would inspect the ac condensor

runs rough and wants to stall on acceleration also... Runs rough and wants to stall on acceleration also runs rough when ac is turned on It sounds like you need a complete tune up and filter change on

...runs rough only at idle with the AC on then it osunds like a the idle solenoid that causes the vehicle to idle up when the ac is on. if its during the entire RPM range then you might want to check ...

...Rough Idle when cold runs seems to run ok hot but still almost stalls when you turn on AC and you are at a stop also noticed that the volt meter reads 9v with the AC and the lights on with the AC and ...

...AC is on. It may be too low or is running rough. You may have to adjust the idle screw with little adjustments. If the idle is running rough, inspect the idle air control valve. It may be dirty or ...

...runs rough,it will run for awhile but then will stall,it runs rough when you shake the car so i changed the fuel filter and pump still runs rough the OBD code is 66 what does that mean?? code 66 is ...

...AC off. looked under the hood , the car seem to run ok, but after driving for awhile the motor seems to be running rough as in a jiggling as if the belt was still trying to move or is moving ...

rough idle when ac on The ac compressor pulls a good number of horses from a 4 cyl engine.Any minor performance problem is amplified when the ac is running.You probably have a weak spark plug or wire,

...runs rough when ac is cut on. seem like it puts a load on engine. car seems to run ok without the ac on. once the ac is on, it starts to idle a little rough. I believe your A/C idle up valve may have ...