CEL = 3 & 4 misfiring, please help!

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11-24-2005, 07:50 AM

#11

xviper

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Quote:

Originally Posted by vteconly,Nov 24 2005, 08:11 AM

I also did a torque check after the TSB was performed since it was the reason to get the TSB done (well, i was also enjoying the fact that my plugs were free). Torque was correct, however i did not check the gap.

How accurate does torquing has to be??? i torqued my plugs to ~ 20 ft lb

I typically do mine to 20, so not to worry. I was doing it to 18 and found that the odd plug would still back off slightly.

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11-24-2005, 12:40 PM

#12

DOUGHS2K

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Happended to me same codes.

When it was under warranty they said they changed all my fuel injectors at Honda.

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11-27-2005, 07:43 AM

#13

vteconly

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the CEL came back after 5 days. The codes are now P0300, P0302, P0303, and P0304. I got a bottle of injector cleaner called Lucas. Also got STP super concentrated. Which would be better to use???

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11-27-2005, 08:00 AM

#14

xviper

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Quote:

Originally Posted by vteconly,Nov 27 2005, 10:43 AM

the CEL came back after 5 days. The codes are now P0300, P0302, P0303, and P0304. I got a bottle of injector cleaner called Lucas. Also got STP super concentrated. Which would be better to use???

At this point, the more concentrated the better. If this doesn't work, you're going to have to seriously consider having the injectors and coilpacks checked. Then comes a replacement ECU.
I recall a story from Rick Hesel years ago. He had a similar misfire situation. The dealer did almost everything over a period of many, many months. It wasn't till the ECU was changed that his problems finally went away.

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