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HI, i have a problem with lambda, in high rpm i see 0.75, i don't khnow why, i haven't retard . Anyone can help me correct my file.I upload orginal file, mod and logs.
Car is full stock, we change only Rear Mufler and car have fuel PB98
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Take a look at your cat protection temps. Log fuel source and watch where it goes into cat protection then look at your cat temps in the channels. When pcm goes into cat protection its adding more fuel to protect cats. Whats your WOT lambda set at in the tune, don't have laptop to look.
Cat temperature i logs max in 6900 rpm 923 degree, i up limiter in ecu to 979 degree.i think this si not this problem. I logs too Short trim and it is good,
I logs too 219 g/s maf 6700-7000 rpm and i check linearization maf, Linearization is 219 g/s is max.