Question about 1985 Ford Ranger

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1985 Ford Ranger RPM seems too high when first

1985 Ford Ranger 2.8L 6cyl. start up rpm way to high probably about 2000 - 2500 RPM. What should I look for and how do I trouble shoot this problem?

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I would check for any vacuum leaks. Also, is the check engine light on?

Posted on May 11, 2010

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1 Answer

High fuel consume


Maybe it is running higher than it should. Best guess would be to change the temperature switch for the engine controls and possibly the thermostat. Your engine has a "cold start sequence" and it will increase RPM and enrich the fuel to allow the engine to run better when cold starting.

The problem is the loss of signal after the engine warms up. If the water temp gauge seems normal, likely the temperature sensor is causing your problem. There can be 2 temperature sensors on your truck, one works the dash gauge and the other works the engine controls.

Jul 25, 2014 | 2006 Ford Ranger 3.0

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WONT REV ABOVE 3000 RPM


Check the exhaust is not blocked if you hear a hissing sound out back that could be the problem,you can loosen it off at manifold its a good test,possibly a blocked convertor.

Jul 21, 2014 | 2002 Ford Ranger

1 Answer

My 1985 Ford Ranger was at a high idle all day at the end of the day in order for me to get home I had to keep one foot on the break & one foot on the Gas. When I got home and popped the hook there...


A bad PCV valve can also cause the dip stick to become unseated in the tube and is noticeble by oil being blown out of the tube, especially at high rpm's. You might want to check and see if the intake breather (usually on the other valve cover on most v-block engines) is not clogged as well.

or the pcv hose has a hole in it ! have a good day !

Apr 19, 2011 | 1985 Ford Ranger

2 Answers

Got a rebuilt carb for a 85 ranger 2.0 will not idle right


Check all vacuum hoses for cracks and disconnections. Also check pcv and egr

Nov 20, 2009 | 1985 Ford Ranger

1 Answer

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...


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

Oct 02, 2009 | 1985 Ford Ranger

1 Answer

Extremely high idle speeds develped overnight


check idle speed control make your throttle valves not stuck.check for vacuum leak around the throttle body area look for broke gasket.

Apr 13, 2009 | 1987 Ford Ranger

1 Answer

Idles high while driving


Could this be the fan clutch making it seem to idle high? Does it calm down after a short distance of driving? Watch RPM gauge to see if it is actually high revving or just noise?

Jan 10, 2009 | 2000 Ford Ranger SuperCab

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