BOOST?????????HELP!!!!!!!!!!!!
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Junior User
Joined: Jan 2010
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BOOST?????????HELP!!!!!!!!!!!!
A friend of mine has an e99 with a boost problem it wont build more than 25 psi it has a set of glow shift gauges we have checked the gauge with air psi and it seems to be working fine no leaks in the hose.It does have a fooler in line kinda leaning towards it but dont know...It seems to run a little weak was pulling 25 plus psi no problem all ic conections seem to be tight ANY IDEAS about to pull my hair out over this deal and I dont have much THANKS IN ADVANCE
Hotshot
Joined: Jan 2008
Posts: 13,144
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From: Rochdale MA
Ok you didnt say that you were maxing out at 12 psi. Make sure that your boost line is not pinched feeding the guage. It sounds like a boost leak to me. You may want to build a boost leak detector to check. Have you looked at the turbo compressor wheel? Has any work been done before the drop in boost pressure?
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Junior User
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LOL sorry just noticed that I forgot the 12 psi deal.We have checked the line and there is no problems with it.The compressor wheel is good and no play in the turbo and no work has been done to the truck since the drop in the pressure
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Hotshot
Joined: Jan 2008
Posts: 13,144
Likes: 11
From: Rochdale MA
Make a boost leak detector check from there. How do the up pipes look? What type of fooler is in the line? Is it an air reg that will limit the PSI that the map sees? or is it a bleeder valve that will bleed off excess psii?
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Cargo Master
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I never saw any mention of a loss of power. Seems to me like if all you can get is 12psi and youre used to getting 25psi, you would feel it in your butt. If you don't notice any loss in power then its most likely a gauge issue.
