bad o2 sensor?
08-28-2002, 05:05 AM
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bad o2 sensor?
Background of problem:
If the car sits for an extended period (enough for it to REALLY cool down), when I start the car everything is fine for a while but then after about 5 to 10 minutes the check engine light comes on. I checked the code and it's a code for an o2 sensor. Now if I shut the car off for a few seconds and crank it back on... everything is fine for the rest of the day. The code is still there if I jump the ecu, but I have no check engine light.
On really hot days if I let the car sit for 10 minutes ideling and then drive... I get no check engine light. Could this be the sensor going bad??
Thanks!
Frank
If the car sits for an extended period (enough for it to REALLY cool down), when I start the car everything is fine for a while but then after about 5 to 10 minutes the check engine light comes on. I checked the code and it's a code for an o2 sensor. Now if I shut the car off for a few seconds and crank it back on... everything is fine for the rest of the day. The code is still there if I jump the ecu, but I have no check engine light.
On really hot days if I let the car sit for 10 minutes ideling and then drive... I get no check engine light. Could this be the sensor going bad??
Thanks!
Frank
09-03-2002, 06:42 AM
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Location: Pembroke Pines, Fl, U.S.A
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Re: bad o2 sensor? (neumonik)
Sometimes you may need to use an On Bboard Diagnostic system (that plugs in under your steering) to clear the code/s completely. However, I think more and likely your o2 sensor is going bad though.
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