I noticed my weber 32/36 carb was filled with smoke coming out of one of the chambers, from the side closest to the engine it seems that it's not burning the fuel completely, it's all black inside, so I used a little carb cleaner to clean it out a bit. The other problem i have is that although it starts up quickly, it sputters and occassionally backfires, which sounds like a cannon going off as soon as I turn it off. Does anyone have any idea what i could do to fix this problem? Could it be a vaccum leak? or worse could the timing be off a bit? I need a good idea of where to begin because I don't want to create more of a problem. thanks for your advice.
Smoking Carb I need advice
- Thread starter BostonFJ40
- Start date
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Smoke and the backfire after killing is a sure sign of the carb putting too much fuel into the manifold, likely float set too high or something wrong in the idle circuits, if it is an old Weber it is probably junk, the pivots on the shaft the butterflies are on wear fast, and no easy fix.
Butch
Butch
One of the reasons 'yota puts a fuel cutoff solenoid in dang near every carb that came on a toy... 8)
My 74 FJ40 did that too (have the larger weber though). I got tired of all the problems it was having and found out putting a electronic distributor would help alittle. Put in the elec. dizzy kit, checked the carb. no smoke on one side...but I really don't think the dizzy was the thing that fixed it...probably is the floater in the carb.