Cold Running Issue - Ford Powerstroke Diesel Forum
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Old 12-24-2013, 04:49 AM
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Cold Running Issue

Truck starts fine, the problem occurs when I start driving. The truck will have a bad shutter. Sometimes the check engine light will come on but resets when you restart the truck.

The problem only occurs when it is below 60 degrees and only happens until the truck heats up to operating temp. If I crank the truck and leave it running in the drive way until it warms up to normal operating temp no shuttering or skipping.

Can not seem to figure out what the problem is.
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Old 12-24-2013, 05:37 AM
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Subscribed. I may be having the same issue....
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Old 12-24-2013, 05:47 AM
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Likely a bad glow plug or injector or two

sent from me
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Old 12-24-2013, 05:58 AM
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Rule out glow plug because he said it starts fine
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Old 12-24-2013, 09:39 AM
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Cranked truck this morning and let it run to warm up. It shut off two times while it was idling in the yard. Kicked check engine light. Started back up fine each time.

Would a bad injector cause problems only when it was cold?

The truck only has 37,000 miles on it.
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Old 12-24-2013, 12:51 PM
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Quote:
Originally Posted by usteffenhagen View Post
Rule out glow plug because he said it starts fine

One bad glow plug isn't gonna keep the truck from starting.




Quote:
Originally Posted by flk9deputy View Post
Cranked truck this morning and let it run to warm up. It shut off two times while it was idling in the yard. Kicked check engine light. Started back up fine each time.

Would a bad injector cause problems only when it was cold?

The truck only has 37,000 miles on it.
You really need to read those codes. With so few miles and since it shut off you may be looking more at a oil delivery issue. You really need to get it on a scanner.

sent from me
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Old 12-25-2013, 12:47 PM
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Any chance it could be the CPM?
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Old 12-26-2013, 10:37 AM
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no such thing as cpm.

hows your oil? dirty or low?
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Old 12-26-2013, 05:46 PM
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You could replace the CPS but that doesn't sound like your issue

sent from me
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Old 12-27-2013, 06:55 PM
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Just my $.02 on what I did with a similar issue after reading MANY forums....

Replaced glow plugs with ZD11's.....old ones were good...ohm'd them
Replaced UVC gaskets/harnesses....old ones had no signs of short-to-ground, etc

Replaced Engine Oil Temp sensor on backside of HPOP.......bingo!!! 10 bucks later, cold run-til-warm issue solved.

Hope this helps you.

2003, 7.3, auto.
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