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454 with 24.03 mpg - pretty amazing
a 1991 C1500 Pickup with a v8 454 throttle body engine that gets
24.03 mpg
that is pretty amazing - a miracle it would seem .
less than 4% change in STFT is all it wants to see for a pass ?
Quote:
Originally Posted by Olympiadis
- copying this here to keep EGR info together for the sake of search results.
It basically tests the O2 integrator offset during a steady load cruise condition once above 45 MPH.
Here are the calibration qualifiers for the EGR test on my truck:
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