View Full Version : WS6 codes, help!

02-14-2012, 10:28 PM
My 02 WS6 codes 171, 174, 300... replaced plugs, wires one O2 sensor #1 that protective coating was wore off..still codes..cleaned MAS sensor. loss of MPG to..any help would be great..

02-14-2012, 10:58 PM
you've probly got a vacuum leak spay some carb cleaner around intake and see if idle changes also check the air intake between throttlebody and mas sensor hope that helps.