All cylinder misfires

Tiny
ROCKYROSTER
  • MEMBER
  • 2000 HONDA ACCORD
  • FWD
  • AUTOMATIC
  • 130,000 MILES
I have a 2000 accord v6 ex which all the sudden I have a blinking engine light and the code says all cylinders misfire. Honda dealer said to change the plugs which I did and still misfires, need help here thanks?
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Sunday, August 7th, 2011 AT 3:20 AM

10 Replies

Tiny
RASMATAZ
  • MEMBER
Engine running rough or misfiring can be cause by the following:

1. Defective spark plug.
2. Inadequate spark/coil, defective spark plug wire.
3. Lack of compression
4. Vacuum leak
5. Fautly fuel injectors.
6. Insufficient fuel pressure.
7. Contaminated fuel.
8. EGR valve that is leaking.
9. Oxygen sensors.
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Sunday, August 7th, 2011 AT 3:21 AM
Tiny
KHLOW2008
  • EXPERT
For all cylinders to be misfiring, low fuel pressure is one of the most common cause.
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Sunday, August 7th, 2011 AT 6:23 AM
Tiny
ROCKYROSTER
  • MEMBER
I change the plugs and it has gotten worst and now doesnt like to idle and when the gas tank get low about 1/4 tank the car really starts getting bad. Is it still the fuel pump? How about the fuel filter?
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Tuesday, August 9th, 2011 AT 1:19 AM
Tiny
RASMATAZ
  • MEMBER
Scan the computer for code/s if any get back with it and go to this link for further information: http://www.2carpros.com/articles/engine-misfires-or-runs-rough
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Tuesday, August 9th, 2011 AT 7:36 PM
Tiny
ROCKYROSTER
  • MEMBER
Change the fuel pump and strainer and still have the all cylinder misfire and now have a egr fault too. Just keeps getting worst?
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Thursday, August 11th, 2011 AT 5:52 AM
Tiny
ROCKYROSTER
  • MEMBER
I also remove the thermostat to help keep the engine cool, now that wouldnt have a effect on the proformance of the engine?
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Thursday, August 11th, 2011 AT 6:04 AM
Tiny
KHLOW2008
  • EXPERT
If the engine is running too cold, it would affect the performance. The thermostat shouldnever be removed. If there is any problem with overheating, you need to get it looked at.
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Thursday, August 11th, 2011 AT 12:24 PM
Tiny
ROCKYROSTER
  • MEMBER
Will clean the egr valve today and changed and clean the gas tank hope the injectors will now start to clean up. Still idling rough and hestating.
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Friday, August 12th, 2011 AT 2:35 AM
Tiny
ROCKYROSTER
  • MEMBER
Yup that did the trick now it runs good, thanks for the help.
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Friday, August 12th, 2011 AT 11:48 PM
Tiny
RASMATAZ
  • MEMBER
You're welcome
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Saturday, August 13th, 2011 AT 12:25 AM

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