New answers tagged gmc
Unless there are some serious modifications to your Jimmy, it doesn't have a carb. I would suggest you have a fuel injector which is stuck open.
I think I'd agree with you about the longevity of the current transmission. It sounds like it's slipping. A transmission shop might diagnose a bad solenoid or something which could be allowing the transmission to slip. Unfortunately, your Yukon came with the 4L60e transmission, which is a weak tranny for what it is required to do. It really is the weak ...
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