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2000 7.3 problems

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Old Mar 27, 2008 | 04:28 PM
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WesDaBest's Avatar
WesDaBest
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2000 7.3 problems

I posted this before about how my Dad's 2000 7.3 has been acting crazy after replacing the high pressure oil line. It cranks great but if the engine is cold when you press the gas the engine doesnt rev like it has any power but the rpm's go up. It drives like this but at around 3/4 or 1 mile it picks up and runs fine. The power comes back and drives fine until it gets cold again...Forgot to add it smokes pretty heavy sometimes when cranking if its cold cold. Thanks in advance for any input.


Wes
 
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Old Mar 27, 2008 | 04:33 PM
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Does he plug the heater in when its cold? May be GP or GPR. Does it throw a code?
 
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Old Mar 27, 2008 | 04:43 PM
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He lives in SC so its not very cold compaired to the north. No codes come up at all. It does this every time the truck sits long enough for the engine to get cold(over night, work, church.......). We're stumped.
 
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Old Mar 27, 2008 | 04:47 PM
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The glo plugs work longer than the wait to start light goes out. Try not cranking on it for 1 1/2 mins with the key on. See if that helps.
 
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Old Mar 28, 2008 | 11:04 AM
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Forgot to add. The GPR has also been replaced about a week ago.
 
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Old Mar 28, 2008 | 11:45 AM
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When it sits for a while again, before you try to start it, check the oil level in the HPOP reservoir. See if it is within 3/4 to an inch from the top.
 
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Old Mar 28, 2008 | 12:39 PM
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Sounds like it might be normal cold transmission operation. The tranny needs to warm up before it shifts "correctly".

https://www.ford-trucks.com/forums/5...when-cold.html

Cold smoke sounds like a GP problem. Have you ohmed them out?
 
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