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Cyclic CEL
Posted by Dan Brown [Email] (more from Dan Brown) on Wed, 21 Dec 2011 14:05:19
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About once a gas tank or two, I'll get a check engine light pop up for the O2 sensor. CEL flashes 6 times.
This started about a year and a half ago. After the initial CEL I replaced the O2 sensor. It showed up again and replaced it once more. After I realized that the O2 sensor may not be the problem I stopped replacing the sensor.
The light comes and goes and probably is only affecting gas mileage. Its frequency is greater in the colder months as well. By now, I've been able to notice when the idle slightly changes and the car rumbles abit differently when the cel is on. Also its evident that the car is running rich. Sweet smell of gas, and a the occasional "backfire" during start up.
The wiring connection is fine, am just unsure where to go next. Its kind of getting annoying
1993 9000 Aero
Any ideas? Thanks, Dan
posted by 146.115.131...
Posts in this Thread:
- Cyclic CEL, Dan Brown, Wed, 21 Dec 2011 14:05:19 <-- Viewing This Message
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