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Nissan Quest Code Questions??


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So the wife overfilled the Oil in her Van and drove from Rapid city back to North Metro and now with the check engine light on, I read the following codes P1273 and P1283. Any idea what she potentially damages on the Van and what is the fix. By the way it is 2004 with about 119,000 miles on it.

Is this something I can fix myself?

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Google search tends to indicate they relate to A/F ratio sensors (O2 sensors?).

Could be coincidental, or not. I think the place to start would be thoroughly checking for vacuum leaks, exhaust leaks, EGR valve if it has one, etc./whatever might make the engine think it's running lean.

Probably the last thing I'd do at the moment is replace the sensors, although ultimately that could be necessary if they were somehow poisoned by overfilling the oil.

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Since the codes are just relating to running a slight bit lean, I would get the oil back to where it suppose to be, erase the codes, and retest drive it, if it comes back, then start diaging it. If it doesnt come back, dont worry about it.

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Since the codes are just relating to running a slight bit lean, I would get the oil back to where it suppose to be, erase the codes, and retest drive it, if it comes back, then start diaging it. If it doesnt come back, dont worry about it.

I already did that, they came back on yesterday again.

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When the codes were cleared, was the self learning also reset? If not, that then that is more then likely the problem, get it reset. Does it missfire? Run rough? If not, then I would be looking for vacuum leaks, fuel pressure low, dirty, or bad airflow meter

full-17556-23080-quest.png

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When the codes were cleared, was the self learning also reset? If not, that then that is more then likely the problem, get it reset. Does it missfire? Run rough? If not, then I would be looking for vacuum leaks, fuel pressure low, dirty, or bad airflow meter

full-17556-23080-quest.png

How do I do the reset on self learning? the car does not run rough or misfires.

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