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Drew, Super Mazda Tech.
Category: Mazda
Satisfied Customers: 2188
Experience:  19 yrs. experience. Mazda Senior Certified Tech, with Ford, Linc. & Merc. experience. ASE L1 Advanced Certified Master Tech.
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222mk, 2006 mazda 6 with 2.3 motor code p0037..changed 02 sensor

Customer Question

2006 mazda 6 with 2.3 motor code p0037..changed 02 sensor and code comes back just by starting it twice
Submitted: 2 years ago.
Category: Mazda
Expert:  Greg replied 2 years ago.
Hi . If you have replaced the correct sensor with a good original then your problem is most likely a connection or wiring issue . Could be an open wiring from the ignition switch to the sensor .Open or short circuit from the sensor D to 2BE (PCM) .Or a possible bad PCM if circuit and sensor is okay . This is the rear O2 sensor and not the front .. If needed please get back to me with the reply button, and not the poor or bad service, this way i can get back to you or suggest another expert if needed.Your deposit does not pay me until the answer is rated in a positive way,Not rating or a bad rating does not constitute a refund.If you are not happy or you have sorted out your problem before the answer then please let me know with the reply button .Kind regards Greg.