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P0156 Diagnostic Trouble Code Discussion for December 2012

Heated Oxygen Sensor (Bank 2 Sensor 2) Closed Loop Fuel Control

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Trouble Ticket Help Requests for DTC P0156
Help Request Posted
2001 Hyundai XG300 3.0L No Start VIN: KMHFU45D71
P0156: o2 sens codes. Hello all;winding down to the holiday and this shows up on a hook! Never saw one of these before;suspected timing belt as cause for no start;pulled cam belt covers to verify timing marks ok.Tested compression;marginal on front bank;70 to 100;cylinders washed? ...
December 20, 2012