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OK, here's my story...<p>Vehicle is a stock 99' V70R.<p>I was also throwing P0440 (fixed that one - It was a loose clamp on a hose). So now I'm left with the pesky P0172 (Rich). <p>I have looked at all of my hoses, none appear to be bad. The work looking Turbo hose is the one that attaches to the turbo outlet, nasty looking thing! I DO have a Boost/Vac gage hooked up, here's what I've recorded:<p>1. Idle: 15 in vac<br>2. Coastin at speed: 20 in vac<br>3. Boost: 11 psi (spike to 13 on shift)<p>These values are rock solid consistant. What are you opinions? Boost leak, Vac leak, or AMM/MAF?<p>Also, it does seem to have a pretty bad bog off the line, it's fine from a roll, though. This is my 1st turbo car, so I might not be used to the turbo lag <IMG NAME="icon" SRC="http://www.vwvortex.com/vwbb/biggrin.gif" BORDER="0"> <p>Thanks!<br>
 
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