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Discussion Starter · #1 ·
i have a 1999 psd diesel with a exhaust back pressure problem. i paid a shop to scan the truck and they told me the truck has a valve that is staying closed as if the truck is still cold and not up to temp. Is this problem caused by the sensor that is mounted on the y pipe with the two vacuum lines going to it one green and one red? if you have any suggestions please email me a [email protected] or the thread. thanks

the problem with my truck is that it seems to have lost alot of power..
 
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