Shes become a gutless wonder - Ford Powerstroke Diesel Forum
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Old 04-17-2012, 05:40 PM
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Shes become a gutless wonder

I just replaced the high pressure pump and did a test on the injectors and they all come back fine. My truck struggles to get down the road. It just sounds flat. Could use some help. Its a 96 f350 with 177,000 that I bought new. Just thought it was getting worn until I rode in a friends with over 250 on his both being completly stock. His sounds crisp and plenty of power for a lack of a better way to discribe it.
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Old 04-20-2012, 01:24 PM
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Sounds like your truck needs some TLC. I would pull the fuel bowl and do new o-rings, new UVCH, new valve cover gaskets, air filter, oil change, fpr mod and check fuel pressure as well as a start.
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Old 04-20-2012, 01:40 PM
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Quote:
Originally Posted by White95f250 View Post
Sounds like your truck needs some TLC. I would pull the fuel bowl and do new o-rings, new UVCH, new valve cover gaskets, air filter, oil change, fpr mod and check fuel pressure as well as a start.
A lot of that is unnecessary. Do an oil change if you haven't recently. replace all filters. Clean the FPR screen. Check fuel pressure. what HPOP did you put in the truck?
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Old 04-20-2012, 01:40 PM
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So you just replace the HPOP for the heck of it?
White is right. And even then, that's throwing parts at it.
TEST THINGS!
Could be the UVCH, fuel pressure, ICP, IPR, fuel pump, FPR, etc.
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Old 04-20-2012, 01:51 PM
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most of those things will cause rough running. it sounds like it runs fine, just gutless.
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Old 04-23-2012, 04:02 AM
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Thanks for the replys. Not sure what valves are what. the mechanic replaced the valve that under the fuel bowl. He did a buzz test on the injectors and what ever other scans it ran. they are using a snapon scanner. Does the dealer have a better scanner or a scanner that will read some thing the others wont read? It does have a small miss when starting from a stop but cleans up as the rpms come up. They change the fuel filter too. When its cold it will barley move and misses real bad until it warms up even with the new pump. As far as the oil and basic maintenance there is nothing that hasn't been kept up on. I bought the truck new so I knew the history ot the truck. Its been a great truck a couple of transmissions 2 cam senors a water pump and a starter. Not bad for a service truck that has been loaded from day one
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Old 04-23-2012, 06:34 AM
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Which cps does it have in there now?

Sent from my DROID BIONIC against my will
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Old 04-24-2012, 12:09 AM
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Are you asking if its a high out put or brand name. Im assuming a stock replacement. I also replaced the valve cover gaskets last year pulled both tanks and cleaned them.
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Old 04-24-2012, 07:36 AM
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What's your fuel pressure like? Did they run a cylinder contribution test?

Sent from my DROID BIONIC against my will
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Old 04-27-2012, 02:38 AM
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not sure what it was but it shut down each cylinder at a time as it was running. They were using a snap on scanner. Fuel pressure I don't know
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