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by marshaul
Wed Feb 26, 2020 10:30 am
Forum: K-Pro / KManager
Topic: Primary O2 sensor (a/f ratio) circuit failure
Replies: 0
Views: 3595

Primary O2 sensor (a/f ratio) circuit failure

I recently had what appeared to be 02 sensor failure, however after replacing the sensor the problem persisted. After testing multiple sensors and verifying the integrity of all the wiring, I'm forced to conclude the problem is in my K-Pro'd ECU.

I called Hondata and the option they offered was to ...