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-   -   Code po 161 Again (https://67-72chevytrucks.com/vboard/showthread.php?t=729406)

72 5500 02-04-2017 11:52 AM
Code po 161 Again
 
Engine code 161 is back again. Replaced the o2 sensor and it was fine for a week or so. Read somewhere it might be caused from a vacuum leak or bad injectors. Any suggestions? I do have power at the sensor.


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