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Posted on Jan 02, 2017
This code is not documented so the code reader is giving a false reading.
If the car runs OK and check engine light is not on, I would forget about it.
Posted on Nov 25, 2008
check your battery first. could be sending low voltage to ecm, causing false codes. you may think this is crazy, but it could also be that easy. what else is happening with the car? Light swi. acting up, radio, etc???
Posted on Dec 23, 2012
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The P1399 random misfire along with one or more of these codes: P0301, P0302, P0303, P0304 -- indicates a problem with the valves. The B20 engines in the 1997-2001 CR-Vs are known to have problems with valves tightening and then 'burning'.
So the first question is when was the last time you adjusted the valves? If you don't know or never have, then have them adjusted. Soon...
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