Question about Volvo S40
Those are cylinders 1.2.3. and 4. if it is a 4 cylinder then it may be the distributor. I would do a complete tune up plugs,wires,cap. This should fix the problem. Good Luck Tim
Posted on Apr 01, 2011
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Posted on Jan 02, 2017
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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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