2010 Mazda 3 i 2.0L MIL Lamp on
rear o2 sensor slow response code repeats. freeze frame
shows problem occurs at 57 miles per hour on deceleration.
road test on highway confirms slow response. front sensor
will switch 4 seconds faster than rear.
FIX posted 3/31/2015
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Message Closed w/FIX
Vehicle Data2010 Mazda 3 i
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2010 Mazda 3 i
VIN | JM1BL1SGXA |
Engine | 2.0 L / 4 cyl / GAS |
Trans | 5-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
P0139 | Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response |