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Check signal codes detected were P0304 and p1399, How to go about it ?

Old 04-05-2004, 02:32 PM
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Default Check signal codes detected were P0304 and p1399, How to go about it ?

We i got some more information on the check Engine signal on my Honda civic 97 LX and need your advice here

I went to my local Autozone shop and they plugged a obd-II scanner tool and detected the following codes.

P0304 Cylinder #4 Misfire Detected

P1399 Ignition System or Misfire

Ok, could it be that the spark plugs are the cause. does replacing the spark plugs is the solution here ? or the wires or what could be the issue and what's my next action.
As far as the spark plugs are concerned I think i can replace em.

Waiting for your experienced answers

Thanks
Old 04-06-2004, 04:42 AM
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Default Re: Check signal codes detected were P0304 and p1399, How to go about it ? (hondaowner)

When was the last time you did an igntion tune-up, including: cap/rotor/plugs/wires?
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