Chevrolet Repair Questions? Ask a Mechanic for Answers ASAP
Hello, my name is Bobby. Can you tell me what kind of vehicle this is? Is the check engine light coming on?
Thank you. Does the engine run fine at higher speeds?
Thank you. Most of the time this is caused by a vacuum leak. The most common vacuum leak occurs on the bottom side of the intake manifold gasket. In some cases you can pull the oil filler cap when the engine is running and see if there is a large amount of vacuum. If there is then there is a leak. If not then it may be a failing MAP sensor or this can even occur if the engine needs a tune up, though that is not nearly as likely.
No problem. If you need anything else please let me know.
good morning my name is ***** ***** I will assist
just wanted to add from what Bobby gave you. EGR valve having carbon on the pindle is also a common issue with this problem. you can remove the valve easily and check the bottom for any chunks of carbon.