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P2251 Diagnostic Trouble Code Discussion for August 2014

Air Fuel Ratio Sensor (Bank 1 Sensor 1) Reference Ground Circuit Open


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Trouble Ticket Help Requests for DTC P2251
Help Request Posted
2009 Volkswagen Beetle 2.5L Poor Idle Quality, Hesitation, Surge, Cuts out VIN: 3VWRW31C09
... found codes p2251-1176-0130-0135 all for bank one sensor one o2 sensor lopes at idle like vacune leak replaced pcv valve still not working ck all fuses ok some times runs ok look at scan tool look at volts jumps looks ok loo...
August 28, 2014