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Thread: Strange codes?
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Old 12-22-2012, 02:39 AM
E39 touring E39 touring is offline
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Location: New Zealand
Join Date: Dec 2011
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Mein Auto: BMW e39
Originally Posted by edjack View Post
The car won't run well w/o pre-cat O2 sensors, so you must mean post-cat sensors. If they are in place, the DME will report a cat poerformance problem, since the cat is gone, and not doing its job. If not in place, the DME will set a code that they are missing.

What exactly were the codes?
Have checked the car and crawled underneath,the cat has been removed as already mentioned,there is a welded in replacement pipe as I mentioned also,went all the way thru the system from end to end any there is no o2 sensor anywhere,
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