CEL - P2097 Error

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costaudjoe

Member
Joined
Oct 11, 2021
Messages
5
I bought a month ago a 2015 BMW i3 with range extender. I bought it used from a Ford dealership that had the car checked out by BMW, which said everything is running properly. I went ahead and got a Veepeak OBDII and Bimmercode. I enabled the Range Extender HSOC and increased the tank size.

Every time, that I use the range extender the CEL pops on and throws me the error message P2097: Post Catalyst Fuel Trim System Too Rich Bank 1.

Any idea why it's doing this?

Thanks!
 
I can answer my own post.

Since I had gotten a 3-month warranty from the Ford dealership, they told me to get it checked out at BMW. I just got back and BMW recommends (after a $200 diagnostic) to replace the O2 sensor as well as the fuel injector. The estimate comes in at $2000CDN. Ouch!

Ford told me I was covered. Otherwise, I would have been off to YouTube! :lol:
 
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