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NoBozo · 08-02-2009, 10:02 AM

There is one more thing relative to the distributor cap that I forgot to mention. Moisture. Moisture inside the cap will be evident by condensed droplets of water inside the cap when the engine is cold. The engine may run OK untill up to temperature, at which time the moisture wants to evaporate and turns into water vapor. Water vapor (fog) inside the cap is not conducive to smooth running. Perhaps if you have "hosed down" the engine recently, or got the distributer wet somehow, this might have introduced some moisture.

BTW: Looking for spark plug wires Arcing under the hood at night is always easiest to spot when it's foggy or hazy.....moisture.

My experience has been....the problem is almost Never as serious as it might seem. You are on the right track by looking at the least expensive solution because that is usually the correct one.

08-02-2009, 10:02 AM	#51
NoBozo Senior Member Join Date: Jun 2008 Location: Portsmouth. RI Posts: 2,231 Thanks: 400 Thanked 460 Times in 308 Posts	More On Distributer Cap There is one more thing relative to the distributor cap that I forgot to mention. Moisture. Moisture inside the cap will be evident by condensed droplets of water inside the cap when the engine is cold. The engine may run OK untill up to temperature, at which time the moisture wants to evaporate and turns into water vapor. Water vapor (fog) inside the cap is not conducive to smooth running. Perhaps if you have "hosed down" the engine recently, or got the distributer wet somehow, this might have introduced some moisture. BTW: Looking for spark plug wires Arcing under the hood at night is always easiest to spot when it's foggy or hazy.....moisture. My experience has been....the problem is almost Never as serious as it might seem. You are on the right track by looking at the least expensive solution because that is usually the correct one.