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P0150 Diagnostic Trouble Code Discussion for November 2007

Air Fuel Sensor (Bank 2 Sensor 1) Closed Loop Performance

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Trouble Ticket Help Requests for DTC P0150
Help Request Posted
2001 Mercedes-Benz S500 Guard 5.0L no venting VIN: WDBNG75J81
P0150: left o2 sensor. customer reports when filling tank excessive pressure will shoot back when nozzle is removed - we removed the left rear fender liner and tested the vent valve y58-4 which we had previously replaced - this valve is open without electrical signal to allow air to...
November 30, 2007