Question about 2001 Honda Accord
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Posted on Jan 02, 2017
Did you reset the ECU after changing the sensor? If not you need to (procedure in 2nd pic below), that way the fuel trims are reset and the ECU can re-learn the Short term and Long term fuel trims. this could be the cause of the difference in MPGs.
An O2 sensor will have no effect on RPMs/MPH. the only thing i can think of that would effect this besides changing gear ratios, would be changing the overall diameter of your tires or possibly a slipping clutch.
Check the codes on the ECU. here is the procedure:
(CLICK PICTURES FOR FULL SIZE)
Posted on Nov 15, 2008
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