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Anonymous Posted on Dec 21, 2017

I have a 2003 honda accord v6 it is mis firing i pulled each coil plug individually to find which cylinder is missing and 4 and 6 do not change the idle when unplugged what cause two cylinders to stop firing, i swapped coil and spark plug from cylinder that is working still no change same miss in same cylinders.

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Bad wires and or fouled plugs. Could be the injectors as well. Run a bottle of Sea-Foam in the tank with some higher octane fuel, 93 octane would be best.
Do or get a tune up at the same time. Don't skimp on plugs or wires, get good quality and double check your gaps. Then you should be good to go.

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  • Posted on Dec 21, 2017
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Most likely a problem injector in each cylinder or wiring for those injectors

5 Related Answers

txkjun

John Weathers

  • 409 Answers
  • Posted on Dec 24, 2008

SOURCE: Honda Misses.

Pin point the dead hole and check that injector.

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steyr1

  • 148 Answers
  • Posted on Apr 07, 2009

SOURCE: 2001 Honda Odyssey which cylinder is number 2? (3.5 L V6)

see your spark plug cables they have writen in begining or ending what number spark is. or in the joint electrical box from they take electricity have writen in it in any output what number of cylinder cable spark id going.

Anonymous

  • 87 Answers
  • Posted on Jul 28, 2009

SOURCE: 93 honda accord engine no fire cylinder 1

Check timing belt,sounds like belt may have skipped.

Anonymous

  • 7353 Answers
  • Posted on Oct 12, 2009

SOURCE: code po304 #4 cylinder mis fire

ck if you have spark at the coil for that cylinder. check the plug wire closely. if it has spark at the coil, then replace all the spark plug wires.

Anonymous

  • 4 Answers
  • Posted on Dec 23, 2009

SOURCE: has two cylinders that are miss fireing i changed

check distributer cap
check rotory button under dist cap
change ALL wires
change ALL sparkplugs

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Honda Misses.

Pin point the dead hole and check that injector.
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