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Hi, I have a MY2009 with UpREV Tuner. The ECU is a 1EL5B. My mods are: GEN3, BerkHFC, Nismo CatBack. My question is: Why twice a year I must readjust
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08-20-2015, 02:40 AM
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Premium Member
 
Join Date: Sep 2009
Location: Italy
Posts: 146
Drives: 370z
Rep Power: 16  |
AFR adjustments
Hi,
I have a MY2009 with UpREV Tuner. The ECU is a 1EL5B. My mods are: GEN3, BerkHFC, Nismo CatBack. My question is: Why twice a year I must readjust AFR Compensation? (i.e. if target is 12.6 I read 13.2 or in the other season 11.5 ) - It's a problem of UpREV that does not compensate changes in environment? (i.e. hot season or atmospheric pressure) - It's a problem of my setup (GEN3)? Note that The MAF works correctly, in my logs I see always the full excursion range in Volts. What do you think? |
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