F250 stalls

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May 22, 2003 | 12:47 AM

carpe_diem

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Fleet Mechanic

Joined: Feb 2003

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F250 stalls

I have a 1990 F250 HD (with 460cid) and it stalls in Park and sometimes even in gear. The RPMs drop, the engine dies. Happens every day, whether it is cold or not.

I changed the fuel filter, the problem is still there.

Could it be some kind of a sensor, like TPS? What could typically cause this?

Last edited by carpe_diem; May 22, 2003 at 12:50 AM.

May 22, 2003 | 12:53 AM

Ford_Six

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Joined: Oct 2002

Posts: 18,488

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From: The Big, Oregon

F250 stalls

There could be a few different cause for this- how long has the truck done this, and when was the last tune-up? Has the truck had any major work done to it lately?

May 22, 2003 | 09:10 PM

carpe_diem

Thread Starter

Fleet Mechanic

Joined: Feb 2003

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F250 stalls

I replaced fuel and air filters.

The rest hasn't been done in a while. I plan to replace the spark plugs and plug wires really soon. Possibly the distributor cap too if it hasn't been done in a while.

PS: It idles at 600 rpms and usually that's not a problem.

Last edited by carpe_diem; May 22, 2003 at 09:31 PM.

May 22, 2003 | 10:31 PM

steve83

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Joined: Nov 2002

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From: Memphis, TN

F250 stalls

Pull the codes, then clear them, do your tune-up, drive it around a day or so, then pull the codes again.

May 23, 2003 | 01:50 AM

carpe_diem

Thread Starter

Fleet Mechanic

Joined: Feb 2003

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F250 stalls

That's a nice link, I will use it. But where are the figures? When it says look at "figure 3", etc?

May 24, 2003 | 01:06 AM

LxMan1

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Joined: Dec 2001

Posts: 22,436

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From: Louisville,Ky.

F250 stalls

Is it fuel injected? If so, could be a dirty or defective ICM (Idle Control Motor) on the throttlebody.
Jimmy

May 24, 2003 | 09:17 PM

steve83

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Joined: Nov 2002

Posts: 9,987

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From: Memphis, TN

F250 stalls

Quote:

Originally posted by carpe_diem
where are the figures?

This site won't allow me to add files (.jpg images) to my posts - only link them from other websites. But the site I use for photos (in my signature link) doesn't allow remote linking, either, so I can't add them.

The short answer is: get the CD. It's cheap and easy to find - just search eBay or the CLASSIFIEDS for "Ford Service CD".