Question about 1999 Honda Civic
The problem occurred suddenly while accelerating. Now sputter badly. Ran fine before this.
Code po420 refers to cat converter system bank1 - efficiency below threshold===causes -- cat converter---wiring---HO2S 2
code p1399 refers to cylinder no 6 misfire===causes --fuel/ ignition---VTEC system---MAP sensor--wiring---mechanical fault.
Posted on Jan 01, 2014
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Posted on Jan 02, 2017
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