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Answered 2007-08-16 23:13:58


.about a year ago I did a tune up new plug wire and plugs but now am having touble. have replaced coil distributor cap and rotor.

my trouble is my 1997 chev astro van will not start when it rains or heavy dew.

it runs fine when dry or during a rain storm. It will turn over, there is gas,there is spark from coil but none from distributor to plugs but if i add a wire and plug to ground there is spark or if I turn the distributor (made hole bigger) there is spark, just no ignition and when you shut the key off, it acts like it wants to start. I have had it put on a computer diagnostic, but nothing was found. new distributor cap, and rotor. If you let it sit until the dew is gone, it starts with no problem. Any thoughts on the problem?

heavy dew...

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