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redm3240hp
Fri, Aug-22-2008, 10:41:05 PM
hey guys i have a bmw m3 98, check engine lights came up,, can a bad catalytic converter cause a check engine light?

Hallatauer
Sat, Aug-25-2012, 06:06:55 PM
Yes an so can a 100 other different things. Get or borrow a code reader and look up what codes are showing. That's the start of diagnosing CEL.

lca_e36
Sun, Apr-21-2013, 01:50:14 AM
yes and so can driving on low fuel.