Question about 2006 Lincoln Navigator
Bank 1 is the side were the #1 cylinder is. po420 catylist below threshold ( bank 1 ). if your check engine light is on for a P0420 code( bad converter ) and you decide not to fix it, another more serious code could be triggered and you'd never know. it could the back 02 sensor also, behind convertor. have a mechanic check it out.
Posted on Mar 20, 2011
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Posted on Jan 02, 2017
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