I have a feeling this one won't be easy...
This 2015 Mazda CX9 has a persistent Check Engine Light at 80k miles.
Dealer already performed a SKETCHY "harness repair" which involved chopping off and re-routing the harness for the Bank 2 Air Fuel Ratio Sensor... Amazing haha xD
Code set: P219B - Bank 2 Air-Fuel Ratio IMBALANCE.
What does that mean??
Let's start from scratch, collect some data, and come up with a game plan on what exactly to test on this Mystery Mazda. How would YOU diagnose this car?
THINKTOOL PROS:
www.amazon.com...
Enjoy!
Ivan
Негізгі бет Mazda MYSTERY No One Could Solve - Part 1 (P219B - Bank 2 Air-Fuel Imbalance)
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