Engine running rich after carburetor rebuild - Maintenance & Troubleshooting discussion in Forkliftaction's forums

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Engine running rich after carburetor rebuild

Toyota 02-FG35

The carburetor or ? is making the engine run rich. The forklift spews black smoke and won't idle correctly. The previous mechanic had the Carb apart about 10 times and could not get it to run lean.

I need to get this engine to run lean as it did in the past.
This is a 1978 gas engine 6 cylinder forklift.

Posted 22 Jun 2011 11:20
Modified 22 Jun 2011 11:20 by poster
By bigequip
joined 22 Jun'11 - 6 messages
California, United States

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you will most likely need to replace the carb float.

Posted 23 Jun 2011 20:15
By edward_t
joined 5 Mar'08 - 2,334 messages
South Carolina, United States

"it's not rocket surgery"

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We did a tune up. The carb float was never adjusted but may be out of spec. The engine still runs rich with the air filter off.

Thanks for your info.

Posted 22 Jun 2011 20:49
By bigequip
joined 22 Jun'11 - 6 messages
California, United States

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there are quite a number of things, any of which can make the engine run rich. have you done a correct and complete tune up? have you replaced the correctly adjusted the carb float when you had the carb rebuilt?
I think a new carb would be less expensive than tearing it out and apart more than about 4 times. and is it correct to assume the engine still runs rich with the air filter off?

Posted 22 Jun 2011 20:24
By edward_t
joined 5 Mar'08 - 2,334 messages
South Carolina, United States

"it's not rocket surgery"

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