Join Date: Jun 2003
Location: Valdosta, Georgia
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CJ Evaporation Canister
I am running a Weber 32/36 on an 84 CJ7. 258, TFI upgrade, no computer or harness, Flowmaster. It runs great but continually runs rich. I have leaned the carb with air/fuel mix and idle speed (600 rpm) Timing is good, fuel pressure is good (below 3 psi), no vacuum leaks in lines or at carb, no emissions (CTO, EGR) or cat converter installed. A bare bones system.
I am questioning my Evaporation Canister. Is it being used properly? Does bypassing the CTO and EGR diminish it's effectiveness? I have attached a vacuum diagram that represents the setup in my CJ. Opinions and pointers would be appreciated.