Help stop the sluggishness

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Jun 7, 2016 | 01:17 AM

sledhands

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Help stop the sluggishness

When I start my stock 97 7.3 f350 and it is not completely warmed up before I move. It will only do 2100 rpms in neutral. It is completely gutless in drive and blows black smoke if you push down on the throttle. But once the temp guage gets up to the N in normal range I let it back to an idle and then you can hear it clear. Then it revs up to redline and full power like nothing is wrong at all. Any help would be appreciated

Jun 7, 2016 | 06:55 AM

z31freakify

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From: Las Cruces New Mexico

Time for new Injectors, or leave it plugged in.

Jun 7, 2016 | 07:24 AM

fordpride

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From: Livoina,La

When was the last oil change?

Jun 7, 2016 | 07:42 AM

CampSpringsJohn

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From: Melbourne, Ky

And what oil are you using? Any additives in the oil?

Jun 7, 2016 | 09:15 AM

sledhands

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Quote:

Originally Posted by fordpride

When was the last oil change?

2000 miles rotella synthetic

Last edited by sledhands; Jun 7, 2016 at 11:38 AM. Reason: Spelling

Jun 7, 2016 | 09:16 AM

sledhands

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8th Gear

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Quote:

Originally Posted by CampSpringsJohn

And what oil are you using? Any additives in the oil?

No additives

Jun 7, 2016 | 09:18 AM

sledhands

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8th Gear

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New fuel filter last week no soot in the fuel or filter

Last edited by sledhands; Jun 7, 2016 at 09:23 AM. Reason: Misprint

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Jun 7, 2016 | 10:13 AM

farmert

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Joined: Mar 2006

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From: western SD

Is the exhaust back pressure valve still plugged in? If so unplug it and see if the problem goes away. There is a 2 wire plug located under the turbo that controls the EBV that you unplug.