When wee tuned my car the other day, I tried to switch the rev limiter from fuel cut to ignition and it didn't work- I have the broken parts to prove it . What needs to be done to switch it to an ignition cut? I was on the window that also had the DFCO parameters. It had the rev limiter on the left and gave you the option of using spark, fuel or ETC- we deselected fuel and selected spark. Is there something else that needs to be done?