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Re: **FIXED*Re: VW Polo 2002 1.2 16V AZQ. Code P0172 Archived Message Posted by Joe McGeoghan on September 2, 2008, 5:38 pm, in reply to "Re: **FIXED*Re: VW Polo 2002 1.2 16V AZQ. Code P0172" Fuel filter has pressure regulator clipped to one end. The replacement filter fitted to this car has a regulator built into the filter. It clearly doesn't work. No running problems, but affects the fuel trim enough to set P0172. The B1S1 sensor is a bit of a red herring - there's hardly any movement (Broadband)which coud lead you up the garden path a little. regards, Joe Message Thread: VW Polo 2002 1.2 16V AZQ. Code P0172 - Joe McGeoghan September 1, 2008, 4:24 pm Re: VW Polo 2002 1.2 16V AZQ. Code P0172 - jmccallum September 1, 2008, 5:46 pm Re: VW Polo 2002 1.2 16V AZQ. Code P0172 - Joe McGeoghan September 1, 2008, 7:46 pm Re: VW Polo 2002 1.2 16V AZQ. Code P0172 - john weddup September 2, 2008, 7:16 am Re: VW Polo 2002 1.2 16V AZQ. Code P0172 - Joe McGeoghan September 2, 2008, 8:06 am Re: VW Polo 2002 1.2 16V AZQ. Code P0172 - Joe McGeoghan September 2, 2008, 8:24 am Re: VW Polo 2002 1.2 16V AZQ. Code P0172 - john weddup September 2, 2008, 8:37 am **FIXED*Re: VW Polo 2002 1.2 16V AZQ. Code P0172 - Joe McGeoghan September 2, 2008, 2:20 pm Re: **FIXED*Re: VW Polo 2002 1.2 16V AZQ. Code P0172 - JMCCALLUM September 2, 2008, 2:47 pm Re: **FIXED*Re: VW Polo 2002 1.2 16V AZQ. Code P0172 - Joe McGeoghan September 2, 2008, 2:52 pm Re: **FIXED*Re: VW Polo 2002 1.2 16V AZQ. Code P0172 - Joe McGeoghan September 2, 2008, 5:38 pm

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