Re: VW Polo 2002 1.2 16V AZQ. Code P0172 Archived Message
Posted by Joe McGeoghan on September 2, 2008, 8:24 am, in reply to "Re: VW Polo 2002 1.2 16V AZQ. Code P0172"
Vacuum started at 10"hg from cold, rose to 15"hg, settles at 20"hg when warm. Tested via vacuum pipe for tank-vent valve. Live data shows 30kPa abs on Vagcom. This equates to somewhere around 20"hg gauge. Found that disconnecting MAP sensor has no effect on reading, so maybe ECU defaults? Going to try new MAP sensor.
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