[suprajones]

Does any body have an idea of what the factory setting is for the air-fuel ratio on our car?
My local Lexus dealership has no idea,,,,,, Lexus corporate said they would call me back in 2 days but also seemed befuddled.

Reason-
Had car dynoed today,,,,showed a 17.18 ratio,,,,,tech said that was way high and other dyno read-outs I have seen on this forum are around 13-14.
I Have all these toys to install (K&N intake & JOE-Z exhaust) and am worried that if I put them on now, then have a warranty claim later and the A/F ratio was off all along I will have some issues
Thanx all!

 

[suprajones]

Thanks for your interest/help Figs!
The dyno tech and I both wondered if the sniffer was inaccurate-
2 factors have led me to research this-
1- WHP reading's were 329/330/326 (3 runs are in order)with minimal cooldown in between (that is about the lowest numbers I have seen on any of the dyno numbers posted) Temp= 90 degrees, 20% humidity on Dynojet, 93 octane(no E85 blend)
2- The tech actually pressing the pedal to the floor said the car felt "held back" or "sluggish" durring WOT; and this was before I even questioned the AFR.

I'm anal about my car(s), So I wanna make sure she is runnig like our friends at Toyota and Yamaha mean for her too.