P1138 MAZDA - Rear O2 Sensor Self Test Fault
P1138 MAZDA Possible Causes
- Faulty Rear O2 Sensor
- Rear O2 Sensor harness is open or shorted
- Rear O2 Sensor circuit poor electrical connection
How do I fix code P1138 MAZDA?Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
Cost of diagnosing the P1138 MAZDA code
Labor: 1.0The cost of diagnosing the P1138 MAZDA code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
- Engine Light ON (or Service Engine Soon Warning Light)
P1138 MAZDA DescriptionRear O2 Sensor Self Test Fault is the generic description for the P1138 Mazda code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information abouth the P1138 Mazda OBDII code.
Still have questions? Please post your question on our Comments Section below for more information.
More InformationNeed more information on how to fix the P1138 MAZDA code?
Get Access to Factory Service Manuals
Need more help?Get the P1138 Mazda code diagnosed by a professional: Find a repair shop in your area
CommentsHelp us improve AutoCodes.com. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P1138 Mazda code? Have you replaced any parts?
Any information is appreciated. Thanks