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Are these plugs bad?

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Old 08-21-2007, 08:27 PM
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Default Are these plugs bad?

I pulled these a week ago. They have under 5K miles on them. I'm not sure if I should replace them. The car is misfiring and hesitating... Anyone know???



Old 08-21-2007, 11:44 PM
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clean it and reuse them
Old 08-22-2007, 04:36 AM
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1) Time to learn how to use Macro mode on your camera...
2) Those look just fine color-wise from what I can see.... However, if there is internal damage to the plug, you cannot tell by just looking at it.

If you're misfiring, you should have a check engine light that will store a code in the computer to tell you what's malfunctioning. Try to get ahold of a code reader, or go to AutoZone and have them read it for you to see what's going on.

Ricky
Old 08-22-2007, 05:12 AM
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I've had them pulled many times. The codes are practically burned into my memory... P0300, P0301, P0302, P0303, P0304, P0172
Old 08-22-2007, 07:30 AM
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Okay, so how about an update as to what is going on.

So you had work done and has it ever ran correct ?
Old 08-22-2007, 08:42 AM
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Yes, it has run correct. After i got it back from precision R, the CEL would come on for a day or two. Then go away. Every week or so since then, the CEL goes away and the motor pulls hard and idles perfect. Then it'll misfire when i start the car, especially in the morning and the CEL comes back. I installed a new MAP sensor yesterday but that didnt fix it. Next im not sure what to do. I was thinking of running the fuel additive that honda sells for $30...
Old 08-22-2007, 08:50 AM
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I would have honda test the ecu and make sure it is not damaged. you could also have a bad ground from when they put the motor back in. Sometimes they come loose.
Old 08-22-2007, 08:55 AM
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How do i check for the ground? I am really hesitant to go back to honda. The last time i went they charged me $80 to tell me that they couldnt tell me anything because of my test pipe. They wanted to charge me $1800 for a new cat and sensors...
Old 08-22-2007, 09:04 AM
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Well you have to know where it is grounded. And then make sure they are grounded correctly. If you have some time you could come over and we can check them out.
Old 08-22-2007, 09:26 AM
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My only day off this week is tomorrow, i think. Would a bad ground cause the ecu to throw misfire/running rich codes?


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