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Old 03-25-2003, 02:56 PM   #1
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Default What if i dont change my O2 sensor???

For the past two months (about 2k miles)i have been driving around with my check engine light on, which says code 1 (O2 sensor)... will anything bad happen to my engine?? should i not drive the car until i get it fixed??
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Old 03-25-2003, 03:12 PM   #2
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Default Re: What if i dont change my O2 sensor??? (crxtreme27)

Your car will be in limp mode, which if you drive in limp mode for to long I heards it not good. Why not fix it ?


[Modified by 90blackcrx, 6:12 PM 3/25/2003]
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Old 03-25-2003, 04:05 PM   #3
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Default Re: What if i dont change my O2 sensor??? (90blackcrx)

well honestly my car is in storage and has been driven a total of about 5k with a bad 02 sensor..... no problems.
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Old 03-26-2003, 06:21 AM   #4
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Default Re: What if i dont change my O2 sensor??? (Charlie Moua)

Well I only heard that when you finally get the check engine light fixed, then the engine don't run like its ment to be cause its been running so rich for so long.


[Modified by 90blackcrx, 11:33 AM 3/26/2003]
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Old 03-26-2003, 06:42 AM   #5
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Default Re: What if i dont change my O2 sensor??? (90blackcrx)

my 02 does the same thing. I just shut the car off then turn it back on, no check engine and no limp mode.

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Old 03-26-2003, 07:04 AM   #6
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Default Re: What if i dont change my O2 sensor??? (Blaze45)

If you dont have an o2 sensor working properly then you are never going to have the correct A/F ratio. I believe if there is no signal at all the ECU puts it into limp mode and it runs very rich to prevent a lean condtion. This means you'll get horrible fuel mileage and you'll have to clean up your spark plugs when you do get around to replacing it. Last time I replaced one I used a Bosch universal and just soldered on the plug from my last one, I think the total was $42.00 at autozone.
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