Is this just the nature of the vane style AFM?

[nando]

they are relevant because both affect vacuum. a misadjusted valve (too tight) can leak, and timing affects vacuum as well.

[Schniddy]

OP are you driving an ETA?

[Sagaris]

OP are you driving an ETA?

No, I adhere to the "i before e" rule.

[Sagaris]

Timing isnt adjustable though

[Schniddy]

hehe

ok so now the real question..26-29mpg what the hell!?

[Schniddy]

hehe

ok so now the real question..26-29mpg what the hell!?

[ChaseN]

I get 26 highway in my iX...26-29 in an i seems doable

[Sagaris]

My worst tank was 22 my best tank was 31, I dont have the self control to do any better than that. My commute is >95% freeway, Work and home are 1/2 mile from the freeway ramps and any around town/errand running is done in the Toyota ultimate driving appliance.