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kickroqs
06-08-2009, 11:00 PM
About to do my 1st tune up. Do I need to replace the O2 sensors? Got plugs,plug wires, and fuel filter. Am I forgetting anything?
Valley olds
06-08-2009, 11:06 PM
Air filter. Also, how much mileage do you have on your car? If the O2 sensors arent backfiring, I wouldn't replace them. I have heard some people clean them. Maybe someone here could clarify on that being a good idea or not.
KenshinZero
06-08-2009, 11:09 PM
You should check you’re o2 sensor at least. Personally I would get one weather its good or bad, just as preventative maintenance.
Nate's Alero
06-08-2009, 11:11 PM
they re like 70$!!! f that...
KenshinZero
06-08-2009, 11:12 PM
Think of it as a safety net of sorts, if it dose go bad in the future, you already have one :lol:
Nate's Alero
06-08-2009, 11:14 PM
Think of it as a safety net of sorts, if it dose go bad in the future, you already have one :lol:

eeh, my saturns Upstream is bad, the light comes on once a month, then goes out... who cares:lol:
KenshinZero
06-08-2009, 11:17 PM
eeh, my saturns Upstream is bad, the light comes on once a month, then goes out... who cares:lol:

Have you tried thretening it, of kicking it. That may help, lol

Back on subject, from the sound of it, you have everything you need, I cant think of anything.
heineck
06-08-2009, 11:40 PM
I thought i saw KROQ in that username
sh8dybizness
06-09-2009, 12:38 AM
How many miles on your car? Also it wouldn't hurt to change the o2 sensors. They play an important role in stretching gas mileage and preventing your cat from early damage. Plus they help engine performance since the pcm uses them to control air/fuel mixture.
kickroqs
06-09-2009, 09:58 AM
She's has about 125500 miles. Just did the oil change and replaced the air filter a week ago.
Cliff8928
06-09-2009, 12:26 PM
The recommended lifespan for the Oxygen sensor (heated) is 100,000 miles. However, the PCM will usually do a fairly good job at detecting a fault.
jackal2000
06-09-2009, 12:57 PM
The recommended lifespan for the Oxygen sensor (heated) is 100,000 miles. However, the PCM will usually do a fairly good job at detecting a fault.

while that is true, i believe that if it is operating at one extreme or another of it's tolerated voltage there is a benefit to be had by replacing it.