O2 sensor readings

[Frank F Parker]

> Ok, all you O2 experts:
> I nstalled my K&N A/F meter today on my MR2T and all seemed fine.
> The little lights up&down,up&down, then I go out on the highway and
> after 15 min of 70mph NO lights. "Oh damn, junk meter." BUT it starts
> working during the cool down (~4min). So I drive it some more in town
> and everythings fine. BUT when I take it out on the thru-way again the
> read out is gone, returning only after during prolonged idle.
> 
Take a dvm and read the sensor voltage directly. The K&N is just a 0-1.2
voltmeter. Suspect your O2 sensor is opening up.

Regards,

Frank Parker
fparker at umich.edu
Motorsports Data Acquisition
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