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1990 f150 4x4

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Old Apr 4, 2011 | 09:37 PM
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Question 1990 f150 4x4

k so i just bought a 1990 4x4 f150 w/ a 5.0l and the fastest i could go was 60 km/h and the is absolutely no power like just trying to back up i had to use 4lo to move is. the trans fluid smells fine. Oh and it does not like to shift but at bout 60 km/h and bout three grand it lurges like it is trying to shift and go faster and it won't and any steep hill it barely climbs it. i have heard like twenty different things some say it is the engine some say its the torque converter and one person said the tranny's cooked. Any ideas would be greatly appreciated
 
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Old Apr 4, 2011 | 09:48 PM
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Pull the codes. What gears are in the rear axle?
 
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Old Apr 5, 2011 | 12:05 AM
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What happens if you floor it?
 
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Old Apr 5, 2011 | 12:37 AM
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Originally Posted by hammerhead90
What happens if you floor it?
it is very very slow to accelerate and when driving it gets more speed when i back off the gas a tad but still i top out at 60
 
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Old Apr 5, 2011 | 12:51 AM
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Originally Posted by andym
Pull the codes. What gears are in the rear axle?
not sure about the gears i just bought the truck sunday and drove for 3hrs to get it home (1.5hr trip normally)
 
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Old Apr 5, 2011 | 08:56 AM
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Get the axle and trans codes off the decal on the drivers door pillar and post them up.

If the truck has an AOD the TV cable preload adjustment is critical to correct operation, and if the truck has an E4OD any sensor issues will affect transmission operation so you need to pull the codes.
 
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Old Apr 5, 2011 | 01:12 PM
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Sounds like it may not be getting enough fuel. We had a boat that would run great until we gave it some power. Then it would bog down and refuse to go any quicker.

A similar thing happened when the rust a junk in the old fuel tank in my truck clogged my fuel filter up. Replaced it and it was good as new
 
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Old Apr 5, 2011 | 01:32 PM
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k i watched the tv adj video on another post and i couldn't figure out where the little clip was on the tv cable
 
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Old Apr 5, 2011 | 01:37 PM
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I had to use 4lo to get up my driveway once, amazing what a little water in the distributor will do.
 
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Old Apr 5, 2011 | 01:46 PM
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The truck TV cable adjustment is shown towards the end of this video..

YouTube - Ford AOD TV cable adjustment
 
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Old Apr 5, 2011 | 02:16 PM
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Do a compression test on the cylinders. I had a car once that had the exact same symptoms. Turned out one of the cylinders was around 30-40 psi.
 
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Old Apr 5, 2011 | 02:20 PM
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Could be a plugged cat as well. I'd rip that thing out for sure!
 
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Old Apr 5, 2011 | 08:32 PM
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believe it or not it advanced the timing now she has lots o' power
 
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Old Apr 5, 2011 | 08:36 PM
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That's great news, glad to hear she's running for ya. I vote my answer the best since it was ignition related

Now then, let's see some pictures of the beast.
 
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Old Apr 5, 2011 | 11:04 PM
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Originally Posted by dclack
Could be a plugged cat as well. I'd rip that thing out for sure!
looked underneath today and someone beat me the punch it doesn't have one anymore but it does have a nice cracked manifold
 
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