truck hesitates when cold. - Ford Powerstroke Diesel Forum
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Old 12-19-2006, 05:38 PM
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truck hesitates when cold.

I have a 2000 f250 7.3 diesel, and ever since the weather has gotten colder its seems to hesitate until it warms up. Seems to be hesitating at lower rpm's,also notice when i have the heater on it sounds like the blower motor is pushing more air thru the vents. Just wondering if anyone can help me figure out my problem without spending a ton of money.
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Old 12-19-2006, 05:49 PM
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These engines THRIVE on heat... until they warm up, they're sluggish.

You may need to elaborate for us to really help out.
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Old 12-19-2006, 05:59 PM
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It seems if I'm driving down the road with my foot held steady on the throttle the engine will haul down for about 5 seconds and then it regains its power. At the same it hauls down the heater sounds like it is getting a boost of air.
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Old 12-19-2006, 08:26 PM
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my 99 does the same just does not like the cold. If I have my edge on it wont go for crap until im up to operating temp.

they need heat to ignite the fuel no heat no ignition(well poor ignition any way).
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Old 12-20-2006, 05:31 AM
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sounds like the exhaust back presuure valve coming on to me.
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Old 12-20-2006, 07:55 AM
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Yea that comes on when cruzing but shuts off with any throttle imput
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Old 12-20-2006, 02:33 PM
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Quote:
Originally Posted by iblue250 View Post
It seems if I'm driving down the road with my foot held steady on the throttle the engine will haul down for about 5 seconds and then it regains its power. At the same it hauls down the heater sounds like it is getting a boost of air.
like i said sounds like ebpv
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Old 12-20-2006, 10:17 PM
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Sorry it was a long day.
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Old 01-13-2007, 10:36 PM
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Real quick guys.... I have the same sound ( the back pressure sound) when I keep a steady foot, and goes away when I put my foot into it. I understand it could be the ebpv but I never heard it before. Is it normal? Is there a way to fix it if not?? Thankx
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Old 01-14-2007, 12:45 AM
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Send a message via AIM to ~CrazyDiesel~ Send a message via MSN to ~CrazyDiesel~ Send a message via Yahoo to ~CrazyDiesel~
totally normal on both counts.
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