Can anyone else see their spark plugs flash in the dark? - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars
 
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post #1 of 5 (permalink) Old 06-15-05, 01:09 AM Thread Starter
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Can anyone else see their spark plugs flash in the dark?

I was watching my engine in the dark last night and noticed that i could see all this flashing through the spark plug lead heads just on top of the plugs. It was like a light show!

Is this normal? Id think it would be, just checking though...
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post #2 of 5 (permalink) Old 06-15-05, 01:12 AM
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Re: Can anyone else see their spark plugs flash in the dark?

Yes

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post #3 of 5 (permalink) Old 06-15-05, 02:21 AM
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Re: Can anyone else see their spark plugs flash in the dark?

Quote:
Originally Posted by Young Angus
I was watching my engine in the dark last night and noticed that i could see all this flashing through the spark plug lead heads just on top of the plugs. It was like a light show!

Is this normal? Id think it would be, just checking though...
This means that the leads are breaking down and losing charge outside the leads rather than at the plug. Time to replace them

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post #4 of 5 (permalink) Old 06-15-05, 06:18 AM
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Re: Can anyone else see their spark plugs flash in the dark?

Time to replace those leads folks.

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post #5 of 5 (permalink) Old 06-16-05, 04:03 AM
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Re: Can anyone else see their spark plugs flash in the dark?

Yep - get some new ones. This will only get worse over time and can lead to stuttering from misfires.

Looks cool though!

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