1999 Lexus RX 300 Air Fuel Ratio Sensors

Tiny
MPAULAVETS
  • MEMBER
  • 1999 LEXUS RX 300
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 136,000 MILES
Should I be replacing the air-fuel ratio sensors? How do they affect the vehicle? How much should it cost to replace those?
Friday, October 30th, 2009 AT 1:05 PM

1 Reply

Tiny
BMRFIXIT
  • MECHANIC
  • 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
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Thursday, November 5th, 2009 AT 9:39 PM

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