My guess would be a weak ignition coil. Same thing happened to my delta. Wouldn't start in cold weather. Changed the ignition coil (60bucks) and it's been starting good ever since.
$600.00 to $1000.00
Try going to "autoaccessories4less.com.
V6 3.8 liter.
Front, lower drivers side of engine, between radiator and engine.
Any auto parts store. Or Walmart.
I have the factory repair manual -- looks like the socket is under the dash just left of center. Not sure how easy it is to get hand on it.
Oldsmobile Silhouette was created in 1990.
diagram of firing order on a 1990 Oldsmobile cutless 3.3 engine
Should be on the drivers side right under the door for the rear seats. You will have to get the car up in the air so you can get under it to see it and change it.
Delta FM was created in 1990-01.
where is the location of the horns on a 1990 Oldsmobile 98
I found that a chiltons or Haynes manual will cover all the steps in good detail for your brake job. Shame you're not near pa or I would do them for you.