I'm in the fing carb twilight zone! - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars
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post #1 of 6 (permalink) Old 08-22-09, 09:19 PM Thread Starter
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mad I'm in the fing carb twilight zone!

I have a 1985 ranger with the 2.8 carb. My muffler caught on fire when the guy welded on the new one, so its obviously getting too much gas. Plus it runs like garbage and gets 15 MPG. I can't find the mixture screw(s), I can't find out where they are on the internet, and I bought a manual that doesn't tell me where the F they are!!!!! So I need help.

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post #2 of 6 (permalink) Old 08-23-09, 08:36 AM
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Re: I'm in the fing carb twilight zone!

If memory serves me correctly, some carbs used to have a "cover" or "cap" you used to have to pop or break out to get access to the adjustment screw. I'm not usre if yours has one, but the adjustment should be at the front and probably near the base.
Good luck!

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post #3 of 6 (permalink) Old 08-23-09, 08:38 AM
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Re: I'm in the fing carb twilight zone!

If you have the 2150 carb, the adjustment screws are in the front and covered with caps for emission reasons. The mixture screws are only for idle. They have a power valve under the bowl that sometimes goes out and you can have running problems. Check this site and see if it helps: Carburetor Tech Info - The Carburetor Doctor
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post #4 of 6 (permalink) Old 08-23-09, 01:20 PM
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Re: I'm in the fing carb twilight zone!

Motorcraft 1910 2bbl

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post #5 of 6 (permalink) Old 08-25-09, 06:01 PM Thread Starter
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Re: I'm in the fing carb twilight zone!

how do you get the caps off. I tried to remove what I thought was the caps, but they didn't come out the way i thought they would
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post #6 of 6 (permalink) Old 08-25-09, 06:52 PM
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Re: I'm in the fing carb twilight zone!

They're made of plastic so they could be broken off. If you look at the picture JWKO posted you'll see the enrichment valve that goes in the bottom of the carb. It has a "rubber" diaphragm that eventually breaks and you'll get poor mileage and running problems. It's probably due for an overhaul.
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