Carter BB Carburetor Adjustment. 0:33 Watch Later Error Highway On-Ramp Acceleration: 1982 Jeep CJ-7. Jeep Wagoneer/Commando/Cherokee 1957-1983 Repair Information. Fast idle adjustment should only be made when the carburetor is removed from the engine. How To: Carburetor Adjustment - Jeep Forum - Jeep Enthusiast Network How to Fix a Carburetor in a Jeep Wrangler. Prior to performing major carburetor service work, a thorough road test and check of carburetor adjustments should be done first. Thanks to "http://www.carburetion.com/mixtureadj.htm" Conventional Idle Mixture Screws that provide a leaner A/F when turned clockwise and