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I was using one daughter's '91 Christmas eve after having it the weekend before for a tank pump replacement. We were overnight at another daughter's. I noticed it didn't start quickly in the icy mist Christmas morning, but once going got us home with no further indications of trouble.
Once home, I decided to check the log book to see when I last put wires or plugs in. Turned out never. Log book spans 154K to 251K. I pulled out the wires (Volvo) and cap and ran them through the dishwasher cycle a la Don Foster, while replacing Volvo brand (not mine!) plugs with NGK copper. The gaps were kinda embarrassing. I couldn't see any tracks on the cap.
Finished the cheap-out "tune-up" just as the rain started to get heavy. Once it got dark, I looked under the hood for any hints of St. Kettering's fire (arcing over the secondary ignition wiring) without seeing any.
Next morning, still raining, it started first crank, so I'll continue my habit of stretching the life of parts until a symptom returns.
If yours fails to act up until the weather turns, try watching under the hood in the dark. Also affected by weather, but not so obviously, is any corrosion around that 25A blade fuse wiring your 1990 has.
--
Art Benstein near Baltimore
The journey of a thousand miles begins with a broken fan belt and leaky tire.
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