Should I be replacing the air-fuel ratio sensors? How do they affect the vehicle? How much should it cost to replace those?
Oct 30, 2009 at 1:05 PM
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BMRFIXIT
CERTIFIED EXPERT
19,053 POSTS
They are very important factor if fuel mixture and emission
if bad and engine running rich will cause damage to the catalytic converters
and its a lot bigger bill than what you have to be now
A/F sensor they are a bit more money than the O2 sensor expect to pay $90 to $140 for the sensor
good luck