boost loss - Ford Powerstroke Diesel Forum
 
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post #1 of 4 Old 11-25-2010, 06:52 AM Thread Starter
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boost loss

so im driving and at street speed i get a noise come from my exhaust sounds like a static TV or a kinds loud SHHHHHH only happens when its below 35 degrees outside any input would be nice

1994 F350 4x4 CCLBDRW
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front and rear captains chairs
full stereo flip out DVD
1995 cummins 12 valve (shhhh)

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post #2 of 4 Old 11-25-2010, 07:15 AM
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Originally Posted by olblue97 View Post
so im driving and at street speed i get a noise come from my exhaust sounds like a static TV or a kinds loud SHHHHHH only happens when its below 35 degrees outside any input would be nice
it is the exhaust back pressure valve that closes when it is cold, to warm your vehicle quickly.
nothing dangerous

BlackCloudNorway

96 Ford E350 7.3L Powerstroke DP-tuner 4" exhaust

97 Ford F350 7.3 Powerstroke(stock)

87 Mercedes 300TD W124T
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post #3 of 4 Old 11-25-2010, 07:25 AM Thread Starter
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ok i hacked off my exhaust at the back of the cab so it was super loud and freaked me the hell out so when it happens just let it case when i hit the throttle it goes away or when i back off of it to

1994 F350 4x4 CCLBDRW
HID kit
front and rear captains chairs
full stereo flip out DVD
1995 cummins 12 valve (shhhh)

future mods
40 inch flush grill mounted LED lightbar
king ranch interior
front and rear HD bumpers
bronco fuel tank
olblue97 is offline  
post #4 of 4 Old 11-25-2010, 03:46 PM
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You can delete it for a 50 degree egt drop almost
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