thanks for all the help with the air idle senor your help worked perfect!! now i have another problem, so i changed the sensor thinkin that was the issuse now, everytime i drive it for 5 mins when i push the clutch in the motor stalls out and smoke pours from the hood and i smell oil, i cant figure out wat is the cause f this and i cant drive it, its a 91 cherokee 5 speed 4.0l any ideas please help!!

 

need more info.. were is oil smoke or what ever coming from ? see any leaks ? leave a vacuum hose off ?