Not sure what's wrong. - Ford Powerstroke Diesel Forum
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Old 03-07-2010, 01:33 PM
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Not sure what's wrong.

Ok I have a 2001 Econoline E350 super duty diesel 7.3 ltr turbo powerstroke and tranny is 4r100.

Ok when I first start off it has a massive lack of power sometimes it shifts very late also but only when it's first started it seems.
At around 45-50 with OD off it starts to shutter and vibrate steadily turning on OD stops this, at around 65-70 if OD is on it does the same thing turning it off stops this, it also seems to lack power.

The tranny has a new TC and was just rebuilt less then a year ago and not used much less then 10k on rebuild and new TC.

I have looked at all the wiring and sensors, fuses, relays ect. I also took the exhaust back pressure sensor and line out cleaned them out blew them out and put it back on.

The tranny shop said it;s an engine problem( prolly cause it's under warranty) but to be safe I took it into another shop they said engine knock tryd to sell me a create engine then said they would do a compression test for 600 told them to eat my ***.

Anyway so the engine sounds fine I hear no knock but I looked threw everything really good and the only thing I can see that doesn't strike me as normal is oil inside the plastic tubing that goes to the turbo, this seems unrelated to my problem though as it runs the same without the turbo.

U joints and drive shaft seem fine what do you guys think TC or tranny problem?
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Old 03-07-2010, 01:39 PM
shaking things up

 

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not sure on the tranny but the oil in the boots is normal due to the ccv
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Old 03-07-2010, 01:46 PM
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awsome ty one less thing to worry about.
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Old 03-11-2010, 03:54 PM
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Update, tranny shop said it wasn't the tranny and gave me the codes
P1670 (Ef Signal not detected)
p1316 (injector circuit/IDM Codes detected)
p1139 (WIF Sensor)
p0672 (Glow plug #2)
p0674 (Glow plug #4)

Any advice? Would any of these codes cause this problem?
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