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VW code P1127: what to check?
Posted 02 August 2006 - 12:34 PM
So on lunch I went out and read the codes with my Actron and it came back P1127 which I think is VW specific code bank 1 rich or something.
Any VW knowledgable members have any suggestions on what to try/check? Some google search said there was a TSB for this code that could occur if the oil filler cap wasn't on right or maybe fuel regulator high pressure issue. Thanks in advance!
Posted 02 August 2006 - 01:10 PM
From first glance it sounds like that fuel press. reg. could definitely be at fault. I'd look at that service bulletin again as that's specifically for that car.
Posted 03 August 2006 - 12:55 AM
Posted 04 August 2006 - 11:58 PM
The used car lot I worked for had a thing for passats and jettas around those years... one problem I saw more than once was the vacuum hose going to that fuel pressure gets frayed/torn/collapsed, etc.. which would cause your "too rich" condition at idle and cruising speeds.. easy thing to look into
this is true on many models.
you did not state what motor it had. that would help. each one have quirks of thier own.
Posted 05 August 2006 - 06:22 AM
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