97 7.3 turbo heat riser not open all the way - Ford Powerstroke Diesel Forum
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Old 01-31-2007, 01:29 PM
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97 7.3 turbo heat riser not open all the way

New To This 97 F350 4door 4x4 7.3 Psd.94000 On It The Mpgs. Are Way Low 10 Or Less And Power Is Down Looking At The Truck Saw That The Heat Riser On The Back Of The Turbo Was Not Open All The Way Is The Actualtor Bad. The Truck Has Been Running Cold Just Off The Stops On The Gauge Put A New T Stat In It Got It To The N On The Gauge I Read Some Thread That Said It Had To Be About 140 To Open
Any Help Thanks
Where Can I Get A Good Book On This Motor Thanks Again
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Old 02-01-2007, 04:16 AM
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WELCOME to Powerstroke.org Ditchdiger! We've got some really great guys on here who can help answer you're questions - I just happen to not be a diesel tech so I'm clueless as to your question. Someone will be along shortly to help I'm sure. Enjoy the site!
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Old 02-01-2007, 04:30 AM


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as far as your temp gauge is concerned , you might just have a gauge problem ,or possibly a locked up fan clutch ,which can also cause engine drag
and less mpg , easy way to see if butterfly on back of turbo is causing your mpg concern would be to unook it tie it open and see if that akes a difference before buying or replacing anything, also do check that clutch fan
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