Question about 2005 Ford F 350 Super Duty

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Turbo not working on 2005 ford f450 no boost was driving it hear a hiss thin it quit working

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  • 6 Answers

Sounds like the high pressure oil seals inside engine no seal no pressure to turbo

Posted on May 06, 2010

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I accidentally hit the rev limiter today and now when I get into second gear and beyond my 2003 GTI 1.8T is making a loud hissing noise like it's the blow off Valve. I have now warning lights on and the...


hi sounds like your high revving has accidenetaly pushed off one of the turbo boost pipes or possibly even split a hose causing it to leak boost pressure get a freind to lightly rev the engine
so you can hear where its coming from if youve split the hose you should find it quite quickly with the bonnet up, or if need be get car up on axle stands and listen for it underneath, for a temporary fix and i mean temporarary wrap the split with gaffer tape or duct tape will restore your boost but not if you give it max revs good luck

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I have 2005 6 litre sd and when under load my turbo boost disappears followed by a air whistle sound


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Jul 05, 2010 | 2005 Ford F 350 Super Duty

1 Answer

Gauge for turbo not working and drives kind of weak


the wastegate could be stuck open, and its not building boost, its more likely the gauge is inoperative. if you had no boost that truck wont even get up to 50mph.

Feb 28, 2010 | 2005 Ford F 350 Super Duty

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Why is my 99 ford F450 7.3L turbo diesel blowing


Does any one have a idea a friend here has changed ecm, inj, fuel pump checked conector at fire wall ,fuel and has a short wrecker tow f450 99 and will be going down the road and he says the thing just loses all power and kind of just won't do over 15 to 20mph and lets it sit and he says it will do it again. I am not sure how long it takes but since I don't work on diesels I figured I would have the experts that do if anyone knows it's you guys any help he is in Charlotte NC I can put you with this guy he has had it to all the parts changers and no luck Thanks Mark 704 492 1647

Feb 06, 2010 | 2002 Ford Super Duty F 450

1 Answer

Lack of power using way more fuel and hissing by the firewall , i unpluged hose off wste gate box , pretty well same thing happening, maybe bit les power


One of your turbo boots or intake boots is off or has a hole in it! Could be either cracked or has come loose of the clamp. This is your hissing noise your hearing. It means the turbo is making the boost but it is not getting to your engine. Its leaking out the boot. No boost no power! Poor performance and bad fuel economy too. You need to check all of your boots and clamps. If you say it is by the firewall then start on the side that the hiss seems to be comming from. DONT unplug your turbo waste gate as you can damage your turbo or other engine components! your waste gate allows excess pressure not needed on your exhaust side to escape.

Feb 02, 2010 | 2003 Ford F350 Super Duty DRW SuperCab

2 Answers

I own a '93 6.5 l diesle and my turbo is not building boost


you have a mech wastegate. install a homemade turbo master, almost a free job. look here for the best info dieselplace.com.
deejaaa

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How to turn up the turbo psi boost in a 2005 ford f-350 6.0 liter Superduty


You just can't turn up the turbo boost any more with the new engines. If the turbo start to boost more then the PCM is programed to, it will cut the fuel pressure down and you loose more HP. Here is a link for you if your looking to get good HP out of your 6.0 liter diesel. You can replace the wast gate for the turbo with a higher PSI rating but your going to have to by a electronic boost builder for the PCM so it will not kill the fuel pressure soon as you start making more boost. http://www.thoroughbreddiesel.com/bd-diesel/turbo-boost-builder.htm and http://innovativediesel.com/ Good luck and hope you get the HP your looking for to get out of your engine.

Oct 31, 2009 | 2005 Ford F 350 Super Duty

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