motorcraft 2150 too rich

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Martik - 18 Sep 2006 08:01 GMT

How can I adjust this carb to reduce emissions? Much too high in idle and
driving emission test. Plugs are a little black. Idle mixture screws adjust
only idle not driving test correct?

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jeffcoslacker - 18 Sep 2006 13:46 GMT

Martik Wrote:

> How can I adjust this carb to reduce emissions? Much too high in idle
> and
> driving emission test. Plugs are a little black. Idle mixture screws
> adjust
> only idle not driving test correct?

Man it's been a while, but I think that one has a "power valve" or
whatever they called it, in the bottom of the bowl...known to stick and
make them run really fat, like as if the choke were on all the
time...it's an easy fix. just screws out like a little spark plug with
the top of the carb removed....

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Kevin Bottorff - 18 Sep 2006 15:38 GMT

> Martik Wrote:
>> How can I adjust this carb to reduce emissions? Much too high in idle
[quoted text clipped - 8 lines]
> time...it's an easy fix. just screws out like a little spark plug with
> the top of the carb removed....

you have to take the carb off and in front unerneath is a little bowl
with 4 screws. the power valve is in there. KB

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jeffcoslacker - 18 Sep 2006 17:41 GMT

Kevin Bottorff Wrote:

> > Martik Wrote:
> >> How can I adjust this carb to reduce emissions? Much too high in
[quoted text clipped - 18 lines]
> Thunder Snake #9
> "Protect" your rights or "lose" them

That's it! I was trying to remember how it goes in...seems I had one
that screwed into the bottom of the bowl internally? Like I said, it's
been a long time...maybe that was on something else...still the most
likely suspect, I think...

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