Question about 1981 Ford F 150

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Hooking up my trucks smog system.

I need to find the diagram of the smog emissions system for my 1981 Ford F150 Ranger pickup please. I'm trying to get it all hooked up, hoses and all. Thank you.

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If you cant find it any where else you can always go to public library

Posted on Apr 13, 2010

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Diagram of plug wires on dstributor cap1981 F150 351m


Hi there:
I suggest to check this diagram on...
Ford Engines: 5.0L HO, 351W, 351M, 351C, 400


9_24_2012_5_29_19_pm.jpg

Ford Engines: 5.0L HO, 351W, 351M, 351C, 400:
Rotation: Counter-clockwise
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the first thing i\I would try is to replace the Oxygen sensor...this happened to me on my 91 F150 pickup and that cured it..

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I let the wrong person adjust my carburetor, My bad...Anyway I need to find out what the proper settings are for a 1981 Ford F150 5.0 V8 with the original carburetor. I don't know where to look. Please...


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Mar 02, 2011 | 1981 Ford F 150

1 Answer

Need to rethread a serpentine belt on a 1994 f150 ford pickup truck Iand I need to see a diagram picture of how to do it. with by passing the the smog pump


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How do i turn off the check engine light on my 1994 ford ranger, in order to pass smog?


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Whatever it had when it was sold in OR is what will be required in calif, it goes by engine calibration number, that is on a sticker on the valve cover, another way to get it is to run the VIN number on a Ford information computer, we call this the OASIS SYSTEM. Also check the emission sticker on the radiaor support under the hood.

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I can tell you for sure that all US models of the Ford Ranger came with a emission system that incorporated a MIL or check eng light, go to the dealer and have them run your VIN on the Ford on line information service, that will give you the engine Calibration of the emission system, you can then find out what emission system was used, export or US.

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