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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

O2 sensor??85 351 4bbl

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Old Aug 24, 2004 | 08:45 PM
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sharpi
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Question O2 sensor??85 351 4bbl

heyhey i have an 85 f250 with 351 4bbl with not much electrical stuff..what abouyt an oxygen sensor?? its been going though more gas lately then usual and iv already tried a few thngs.


thanks ppl
 
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Old Aug 24, 2004 | 09:02 PM
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From: GANS
Originally Posted by sharpi
heyhey i have an 85 f250 with 351 4bbl with not much electrical stuff..what abouyt an oxygen sensor?? its been going though more gas lately then usual and iv already tried a few thngs.


thanks ppl
nope. Make sure your choke is opening up 100%, and then make sure your power valve in your carb is ok. However, if the power valve is blown, it generally runs crappy too.

did you try plugs, wires, and a new air/fuel filter? Other than that, there isn't much to go wrong with the F-250s.
 
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