P0156 Diagnostic Trouble Code Discussion for January 2007
Heated Oxygen Sensor (Bank 2 Sensor 2) Closed Loop Fuel Control
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| Help Request | Posted | |
| 1999 Ford Contour SE 2.5L Poor Idle Quality VIN: 1FAFP66LXX P0156: bank 2 sensor 2 slow responce. The problem is a humming noise coming out of intake throttle and you can feel air coming out as well. It affects the idle and raises from 850 rpm 1200 rpm. It dosent always happen, you see it more on start up after it sits for awhile. I removed upper intake an... |
January 02, 2007 |
