HP Tuners Tutorials

[aknovaman]

I see in the first post you refence a section on
Section A - Disable the Oxygen Sensors (O2s) Codes

Why in the world would you do that? WANABE tuners do that because its a hack and a crutch for not knowing how to tune the necessary tables to make it run correctly. Doing so can make the car run poorly when weather conditions are different than when the tune was done. They put it in open loop so they only tune the open loop AFR table and because they don't know how to tune with them enabled.

Also you fuel gage adjustment procedure is lacking any adjustment for the range of the A/D converter tables. If you change the fuel tank size, the A/D tables must also be corrected.

As you said: just blindly follow along what some knucklehead is telling us to do on the InterWebs

[loosenutz]

There are 4 oxygen sensors on an LS series engine. They are talking about disabling the rear 2 which are not used in any fuel calculations. The rear 2 are checking that the catalytic converters are present and working properly. It's fairly common to delete the rear 2 in engine swaps.

Originally Posted by aknovaman

I see in the first post you refence a section on
Section A - Disable the Oxygen Sensors (O2s) Codes

Why in the world would you do that? WANABE tuners do that because its a hack and a crutch for not knowing how to tune the necessary tables to make it run correctly. Doing so can make the car run poorly when weather conditions are different than when the tune was done. They put it in open loop so they only tune the open loop AFR table and because they don't know how to tune with them enabled.

[Gregski]

Originally Posted by aknovaman

I see in the first post you refence a section on
Section A - Disable the Oxygen Sensors (O2s) Codes

Why in the world would you do that?

We disable the codes for the rear two Oxygen sensors only, as they do not exist. I realize someone just beat me to the answer, but you are hitting pretty hard so I wanted to defend myself personally especially when there is a misunderstanding.

[Gregski]

Originally Posted by aknovaman

Also you fuel gage adjustment procedure is lacking any adjustment for the range of the A/D converter tables. If you change the fuel tank size, the A/D tables must also be corrected.

I do not offer any fuel gauge adjustment procedures, as we do not rely on the stock fuel gauge in our LS Swaps, we keep the OEM fuel gauges or run some aftermarket ones directly connected to the fuel sending unit.