|
The O2 sensor does fail on the low side, causin the ECU to run the engine richer than it should. And it can affect mileage before the ECU realizes whats happening (based on duel trims changes) and throws the code for it. But 13 is reeeeally low. There might be other issues as well.
__________________
Kevin Jewer
RWD Talon - 7.92 at 180
Mightymax - 10.7 at 125
|