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Know
When to Replace Your Oxygen Sensor
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Here
are some fast and reliable diagnostic procedures which you can use
to check out most oxygen sensors. A great time to do his is when you
are performing a tune-up. The following symptoms will help tip you
off to a failed oxygen sensor: |
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Surging
and/or hesitation
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Poor or a decline in fuel econmy
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Failed
exhaust emissions testing
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Premature
failure of the catalytic
converter (rotten egg smell)
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Indicator
"idiot" check engine lights coming on
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Replacement
Intervals |
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Replace
unheated oxygen sensors on 1976 to early 1990s vehicles every 30,000
- 50,000 miles Heated (1st generation) oxygen sensors on mid-1980s
to mid-1990s vehicles every 60,000 miles Heated (2nd generation) oxygen
sensors on mid-1990s and newer vehicles every 100,000 miles. |
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Keeping
the OEM oxygen sensor fresh may improve fuel economy as much as 10%-15%
(which can save $100 each year in fuel costs on average). Keeping
the sensor in good operating condition will also minimize exhaust
emissions, reduce the risk of costly damage to the catalytic converter
and ensure peak engine performance (no surging or hesitating). |
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For
these reasons, the oxygen sensor should be considered a "tune-up"
replacement item just like spark plugs, especially on older vehicles
(those built before the mid-1990s). |
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Tips
to Remember Follow these steps and you're well on your way to passing
emissions with flying colors and saving money in fuel costs & repair
bills: |
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#1:
Increased fuel consumption, engine problems (hesitation or surging),
"Check Engine Light" lit or emissions test failure could
all be signs of an oxygen sensor in need of replacement. |
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#2:
Checking the operation of the oxygen sensor and feedback control
system should always be a priority anytime a vehicle fails
an emissions test due to high HC or CO. |
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Hours: Mon - Fri 9am - 8pm Sat 9am-3pm
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Toll
Free 1-888-628-3247
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