LT1-LT4 Modifications 1993-97 Gen II Small Block V8

O2 sensers

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Jun 2, 2006 | 02:14 PM

#1

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From: NH

Question

O2 sensers

how do u know when they are bad and time to chang them?? my SES light has been coming on here and there for a week now, i just had a full tune and some other stuff done! car runs great and smooth. i am getting good gas miles. so can someone tell me when its time to replace them??? car has 78,000 now! (not bad 7,000 miles in one year)

thanks mike

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Jun 2, 2006 | 02:19 PM

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hashtagBMW

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Get your SES code read at Autozone. Then you will know what is bad. The O2s usualy last quite sometime. Mine were good until last year when i ran open LTs for 6 months.

Tony.

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Jun 2, 2006 | 02:28 PM

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what elas coul it be ?? i have underdrive pullys, i know they can make the light go off but IDK

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Jun 2, 2006 | 02:29 PM

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hashtagBMW

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Does the car feel weak when you drive? Like RPMs surging? Anything out of the normal?

Tony.

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Jun 2, 2006 | 02:30 PM

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My UD Pulley never threw the light. Never heard of that. If it does, that's something new...lol

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Jun 2, 2006 | 02:36 PM

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i have some brand new ones ill sell you cheep.

pm me if you want them

brook

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Jun 2, 2006 | 02:43 PM

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Quote:

Originally Posted by Speed Density

Does the car feel weak when you drive? Like RPMs surging? Anything out of the normal?

Tony.

nope the car feels real strong. i love opening it up on highway in the morning!!!

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