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damp weather starting and running


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Guest
Anonymous Poster
sdaugher@email.unc.edu

Jun 3, 2007, 1:11 PM

Post #1 of 3 (2211 views)
damp weather starting and running Sign In

My 92 Silverado runs well until the weather turns wet. Sometimes hard to start and usually chugs and bucks when you give it gas. 6 cyl manual trans 103k . Haven't had it checked out yet- hoping for some recommendations.


DanD
Veteran / Moderator
DanD profile image

Jun 4, 2007, 3:43 AM

Post #2 of 3 (2209 views)
Re: damp weather starting and running Sign In

Check and or replace secondary ignition components; cap, rotor, ignition wires and spark plugs. Also check the ignition coil’s secondary tower; they’ll crack and when the air is moist the spark will find its way through this crack to ground, rather then go down the wire to the distributor.
You could take a mixture of table salt (approx 15%) and water, in a pump spray bottle; lightly mist the ignition wires and coil with the engine running. The salt will conduct electricity and you may actually see the electricity (spark) leaking from the weak components. It will look like miniature lightning bolts crawling on the surface of the wires, distributor cap or coil.

Dan.

Canadian "EH"






thomas74
User

Sep 3, 2007, 6:09 PM

Post #3 of 3 (2180 views)
Re: damp weather starting and running Sign In

moister builds up in the cap i had to silicone some of em to stop that round the edges






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