Question about 1990 Ford F250

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1990 ford truck choke

How to find the choke on a ford truck

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1 Answer

I have a 1990 f150 does it have a automatic choke if so where is it located


On carb, usually passenger side. Most have one wire running to it.

Mar 21, 2017 | 1990 Ford F150

1 Answer

Warm up idle not working


Check auto choke fast idle,free up choke butterfly.

Jul 28, 2014 | 1990 Ford F350

1 Answer

1990 chevy 1500. starts, runs, when warm it floods, fuel injectors, how can i keep the choke open


If you have a choke on a 1990 1500 ,something is really wrong.I have never seen a choke on a throttle body.If you don`t have fuel check your fuel pump.

Jan 29, 2013 | 1990 Chevrolet K1500

1 Answer

On my 1990 ford truck when I first start it up the check engine light comes on. When I start to take off it starts to stall and spit back . You can keep patting the gas pedal and it will pick up speed and...


Check out your Thermal vacuum tree and your Thermostat. The scanner may be blaming the part when in fact the part does not have vacuum until the engine reaches a certain temperature. A weak Thermostat will prevent the engine from changing the Ignition timing quickly.

Some of the engines used water temperature as part of the choke system. The Thermal vacuum tree would route the vacuum to different dashpots and solenoids. Not only would cold temperatures activate RPM increases, but separate dashpots would trip when the engine was hot enough to run without the choke stepup and drop the RPM down to curb idle.

This made choke settings hard to set because it took so long to cool down the block to make further adjustments. The Ignition advance was regulated by water temperature so the stalling and spitting back is from retarded timing.

Remember to use your scanner to wipe the memory clean after each repair. Look for the Vacuum routing label under the hood to make sure the hoses are correct.

Jan 29, 2011 | 1990 Ford F150

2 Answers

The van E150 Ford Idles too high from the I start it up to about the first 5 minutes then every time its started after that


its ur 'auto choke', its supposed to run a little high at first while it warms up, but if its too high u may have a faulty unit.

Jun 18, 2010 | 1990 Ford Econoline

1 Answer

Engine turns over, fires, but won't run 1990 f250 w/460 sunds like it is out of fuel. changed plugs, wires, distributer, fuel filter. put fuel in both tanks.


I'm assuming its carburated???? is so, check that the choke is engaging and if possible, try cleaning the idle circuit in the carburator....these things are tricky.....also look for old cracked vaccum lines as the older trucks (mine included) are VERY sensitive to vaccum leaks.

hope this helps, good luck

Jul 08, 2009 | 1990 Ford F250

1 Answer

My 1990 f150 5.0 has a high pitched whislte sound at idle,could this be a idle control valve


most likely the air-by pass is dirty/sticking, while idling tap on the valve and listen for changes in noise, if changing, remove and clean with CHOKE spray and a small brush, if no change, replace the valve......prior to repairs get a HOSE and use it to hear where the noise is coming from...possible vac leak???....hope this helps...GL

Jul 06, 2009 | 1990 Ford F150

1 Answer

Idle surges


sounds like the IAC motor is going bad or you can try cleaning with carb and choke cleaner, hope this helps if not get back to me and we'll look some place else

Apr 09, 2009 | 1990 Ford F150

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