help please, what does this code mean?
02-09-2004, 09:54 AM
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help please, what does this code mean? yesterday I got a multiple misfire code, and this morning the SES light came on again with a new code, "bank 1 catalayst, low effeincy, below threshold".What does that mean. I have a Predator to read and delete the codes. The car was at the dealer for awhile for a rear main, and the steam cleaned the engine bay. I was also told to get a breather to replace my oil cap so that i would keep the crankcase pressure down. Could that of caused something, or maybe they damaged something during the steam clean? I am not even sure what the 2nd. code means. Thanks for any help.
