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Dan, Technician
Category: Nissan
Satisfied Customers: 23986
Experience:  Independent Shop Experience, 2 Year Automotive Diploma, & Access to Information Database
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02 sensor code poo37 already replaced crank sensor..drove

Resolved Question:

Having reoccurring 02 sensor code poo37 already replaced crank sensor and bank 1 sensor2 and bank 2 sensor 1 also drove 116 miles to reset drive monitors for pa emissions test 4 monitors still not reset any suggestions before i go crazy jim truck dr. inc langhorne pa
Submitted: 6 years ago.
Category: Nissan
Expert:  Dan replied 6 years ago.

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This could be caused by either rear sensors or wiring..resistance of sensors should be 2.3-4 ohms if good check black wires for good grouna and red/yellow wires shoudl have same voltage at fuse.

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