Post 02 sensors rich code setting
Thread Starter
5th Gear
Joined: Jun 2021
Posts: 5
Likes: 1
Post 02 sensors rich code setting
Have a 2007 (WP0AD29907S784703) other shop threw new post cat 02 sensors and codes comes back.
Have scanned with our piwis and iscan live values. Nothing is out of range @ this time.
code 2099/2097 indicating post sensors rich. Smoke testing exhaust and intake, nothing. Could this be a programming
issue or possible CATS?
Freeze frame : Close loop control
Engine temp 182
Short trim Bank 1 -.078
Long trim Bank 2 5.47
Short trim Bank 2 -2.34
Long trim Bank 2 7.03
Engine RPM 2796.50
Veh speed 65 mphs
Have scanned with our piwis and iscan live values. Nothing is out of range @ this time.
code 2099/2097 indicating post sensors rich. Smoke testing exhaust and intake, nothing. Could this be a programming
issue or possible CATS?
Freeze frame : Close loop control
Engine temp 182
Short trim Bank 1 -.078
Long trim Bank 2 5.47
Short trim Bank 2 -2.34
Long trim Bank 2 7.03
Engine RPM 2796.50
Veh speed 65 mphs
Thread Starter
5th Gear
Joined: Jun 2021
Posts: 5
Likes: 1
New customer to us. Vehicle runs very good. Looks to be maintained properly.
Post cat 02 codes can be tricky. Porsche is one of a few manufacturers that utilizes the rear 02 to help
set fuel trim where most only use rear to monitor cat efficiency. You would think a rich setting code for both rear
02 would also set front. I'm inclined to think possible software or programming could be needed. I'm going into
Porsche site to check TSB
Post cat 02 codes can be tricky. Porsche is one of a few manufacturers that utilizes the rear 02 to help
set fuel trim where most only use rear to monitor cat efficiency. You would think a rich setting code for both rear
02 would also set front. I'm inclined to think possible software or programming could be needed. I'm going into
Porsche site to check TSB