Thread: Misfire

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Originally Posted by DennyW

Get your water spray bottle out, and mist the wires at dusk, and see if there are any fireworks display. Check cap and rotor for any cracks. Check plug porcelain for any cracks. Replace the black plug, because it won't fire now that it is coated black.

If that cylinder is washed down, the compression would be less.

Thanks Denny. I did replace the plugs a month ago and I thought it made a
difference for several miles but now I can't say for sure.

I'll check the cap and rotor and replace that plug.

So are you saying that 155 psi wouldn't cause a total misfire? My thinking is that it wouldn't!