7.3 powerstroke lack of power cold - Ford Powerstroke Diesel Forum
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Old 07-06-2014, 04:26 AM
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7.3 powerstroke lack of power cold

Hi terry here from australia

First time user hope that I have done it right

I hope that there is someone out there who can help me
I have a 2002 f250 4x4 auto
It h as the 7.3 turbo powerstroke in it
It had done some 500,000 ks

My problem is that when I start it up cold it idles fine
but when I put it into either drive or reverse and try to move it basically wont move much creeps a little but I try to accelerate and it wont go the revs build and the vehicle wont move until I get to about 2000rpm

when the vehicle warms up it gets a lot better
now believing that it was auto related either the box or torque converter
I have had the auto and torque converter replaced

All good from trans specialist but when I got home and started the truck a few days later it is doing the same thing but not quite as bad as before

Very noticeable now that it has nothing then kicks in as soon as the revs build
As before it would take a lot longer to build up the revs

I have checked everything that I can think of and have read about

So I hope that there is a simple answer for my problem
Thanks very much for taking the time to read my request for help

Regards Terry
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Old 07-06-2014, 11:21 PM
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How's the fluid level in the trans? Also is the OD light blinking?
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Old 07-07-2014, 02:55 AM
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Thanks mate for answering my post

Yes the fluid is correct as it's a new auto and torque converter
I have no other Indications of problems no codes or blinking lights

Just can't find anyone here that has much knowledge on powerstrokes

I tried to look at the site you sent but can't get onto it

Thanks again
Regard terry
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Old 07-07-2014, 07:26 AM
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My brother had a dodge with a lot of kms that was the same way. He couldn't get out of the driveway until it got warmed up.

Have you tried plugging in the block heater for a few hours before you go to start?

Also, what engine oil are you using? And it's winter there now right? What's the temperature overnight?
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Old 07-07-2014, 12:52 PM
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Im gonna subscribe so i can see what the conclusion is.
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Old 07-08-2014, 04:21 AM
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Quote:
Originally Posted by Joel View Post
My brother had a dodge with a lot of kms that was the same way. He couldn't get out of the driveway until it got warmed up.

Have you tried plugging in the block heater for a few hours before you go to start?

Also, what engine oil are you using? And it's winter there now right? What's the temperature overnight?
Thanks mate
It's down to 5 degrees Celsius tonight
Oil is what was in the truck when I brought it only done some 1000ks since last oil change
Will be using a castrol 15w40. Ci oil

The trouble is not the starting it starts great just has no power to get moving until revs get to about 2000rpm
As I said new auto and torque converter fitted the others day

Regards terry
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  #7  
Old 07-08-2014, 06:57 AM
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I asked about the temperature because if it's cold out the EBPV will activate and can get stuck in a closed position.
Is the lack of power accompanied by a whistling sound?
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