Mpg improvement after cat delete
#3
Lexus Test Driver
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You relying on car computer or miles traveled and pumped refill volume? Given there were *no other changes* that seems excessive like it could be lean now.
You have any apps to monitor AFR, load, and IGN advance???
Also, what did you do with the O2 sensors? You running the 90° fouler or electronic O2 simulators?
You have any apps to monitor AFR, load, and IGN advance???
Also, what did you do with the O2 sensors? You running the 90° fouler or electronic O2 simulators?
#4
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