05GTai Posted July 8, 2009 Share Posted July 8, 2009 I have a pdx 18g with a factory up pipe and a megan racing DP. With a AVO top mount. I will hit peak boost then I hear air coming out so fast it sounds like rocks being thrown up against my car. I will hit 21psi then i will go down to 17psi in a matter of 500 rpms. Has anyone else had this problem And please help me. Link to comment Share on other sites More sharing options...
Th3Franz Posted July 9, 2009 Share Posted July 9, 2009 Check the hose going from the intercooler to the throttle body. -Franz The end of a Legacy http://www.youtube.com/th3franz Link to comment Share on other sites More sharing options...
05GTai Posted July 9, 2009 Author Share Posted July 9, 2009 would that hose cause it to be inconsistant. Because one time it would run fine and then i shift gears and the next gear it does the 21 to 17 thing. Link to comment Share on other sites More sharing options...
weitek Posted July 10, 2009 Share Posted July 10, 2009 I'd check and double check all your vacuum lines, bov, intercooler/turbo pipes/hoses, etc. Link to comment Share on other sites More sharing options...
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