2003 Honda CRV P0301 - P0302 - P0303 - P0304 MISFIRE

Tiny
CCOTE
  • MEMBER
  • 2003 HONDA CRV
  • 4 CYL
  • AWD
  • AUTOMATIC
  • 172,000 MILES
Got this code recently.

Changed all spark plugs. Ho my god they are expensive.

Had the codes earased and they came back in no time.

There is many possibilitys to that problem

1. O2 sensor,
2. Fuel pump
3. Fuel filter
4. Cpu problem?

So before investing the kind of money to change all these, is there anyone who had this problem solved or do you have a good idea on it.


Thanks

Ho, yes. I will tell you all what was the problem and how I did correct this issue. This way everyone will be able to correct their problem of this sort.

TY
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Sunday, April 19th, 2009 AT 5:43 PM

2 Replies

Tiny
BUDDYCRAIGG
  • EXPERT
This may be simple. You may have just got some bad gas.
Run that tank out and fill up at a big chain store gas station.
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Sunday, April 19th, 2009 AT 6:02 PM
Tiny
RASMATAZ
  • MEMBER
Misfires can be caused by worn or fouled spark plugs, a weak spark (weak coil, bad spark plug wire), loss of compression, vacuum leaks, anything that causes an unusually lean fuel mixture (lean misfire), an EGR valve that is stuck open, dirty fuel injectors, low fuel pressure, or even bad fuel.
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Sunday, April 19th, 2009 AT 6:13 PM

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