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Old 10-15-2012, 07:54 PM
salvine salvine is offline
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Location: Seattle
 
Join Date: May 2012
Posts: 11
Mein Auto: 95 M3
Codes alone will not condemn the valve or hoses. Usually there are misfire codes and mixture codes like po170. The true test is to either confirm a cracked hose or valve or have a smoke test performed by a shop. This test pumps smoke into the intake and then you simply wait for the smoke to leak out where the breach is. Not a tool you average DIY has laying around.
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