Question about 1985 Ford Ranger

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My 1985 ranger 2.3 gas FI 4x2 starts and then idles rough, with fluxuating rpm and then stalls. Usually the second time I start it, it runs fine until I turn it off again. Occasionally it will stall while driving, like when i depress the brake, even with the clutch fully disengaged.... I'm guessing a fuel issue?

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Did i answer you before? Anyway, try cleaning the throttle body with a little carb spray on a cloth shop towel wraped on a screwdriver.With the engine off,remove the tube to the t-body,hold the throttle alittle, and spray a couple of squirts inside.Spray some to wet the towel, and pushing it in and out gently of the t-body.becareful not to bend the plate inside or leave any towel inside.look at it with a flashlight to see if it's clean. Hope this helps

Posted on Oct 08, 2009

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Posted on Jan 02, 2017

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I have a 1998 Ford Ranger that when I start it up runs a little rough for about 2 minutes then has a good smooth idle. When I step on the gas there is no power like it wants to stall. It only goes to a...


A possibility:

I have a 1998 Mazda B2500 (same truck/engine/trans). A few years back, I was getting a rough idle a few minutes after startup, and my tachometer would fluctuate wildly. This progressed to the point where I was stalling out randomly while driving. With the help of my local mechanic, I ended up diagnosing it as a mass airflow sensor error. My best guess is that oil or water had gotten into the intake. Whatever the cause, after replacing the sensor (saw them for $60 on eBay, right after I paid $300), it's been running smoothly since.

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