Odd... ECU did NOT throw Check Engine at me

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08-22-2001, 10:49 PM

ericdwong

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Ok everybody complains that their CEL comes on, but mine did NOT come on. Today, I drove my car to my friends house in order for him to air impact off my stuck cat nuts (I didnt buy the compressor yet). On my way home, I drove open header (its LOUD!) with both front oxygen sensors hanging and the rear one in place but obviously not workin. I was expecting the CEL to come on very soon but it never did. What is goin on here?

08-22-2001, 11:20 PM

NYCe MaXiMa

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Quote:

Originally posted by ericdwong
Ok everybody complains that their CEL comes on, but mine did NOT come on. Today, I drove my car to my friends house in order for him to air impact off my stuck cat nuts (I didnt buy the compressor yet). On my way home, I drove open header (its LOUD!) with both front oxygen sensors hanging and the rear one in place but obviously not workin. I was expecting the CEL to come on very soon but it never did. What is goin on here?

How long was the drive?
It takes some time for the ECU to pick out the code. I got the CEL , got home and checked it immediately but accidentally reset the ECU before getting a 2nd look at it to make sure. Yesturday I drove for the same amount of time/miles and the CEL didn't come on. Well today, it did at last. It takes some time for it to pick up right away... I remember driving my old max with the o2 sensor unplugged for 50+ miles and no light came on.