I was recently given a '91 Blazer, had no problems with it until I drove it from PA to WI. While still in PA, it overheated so I pulled over to let the engine cool. Once it cooled, I started it up and started driving again, with no problems. When I got to IN, it took a little bit longer to start but it did again with no problems. When I got to Chicago, it seemed like it wanted to die when I came to a stop. Since I got to WI, it hasn't started. It turns over and sounds like it wants to start but it just doesn't catch. Any ideas would be very much appreciated.
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It IS possible that you went thru a bunch a water that may have slipped underneath the back hood seal, which could of gotten inside the distributor cap located right under the seal. Symptoms of this: will turn over, but not start. An old trick is to take the cap off and spray WD40 under the cap on the contacts and the rotor. The WD in WD40 stands for Water Displacement, so completely safe for this use, used it many times myself. In my case it was on purpose offroading in mud/water. :) Careful while taking the cap off, the tabs that the screws go into are plastic! Will break easily if not careful when re-installing.
Thanks for choosing FixYa and welcome. It may be the crank but not for sure. You need fuel, air, and fire to start the vehicle. With the loss of electrical components, it sounds like you have an electrical issue. If so, they can be hard to find, even with proper testing. Can you tell me in what order your problems occurred?
My Cl had a bad ground wire connection to the thermostat housing. It made the ECU go on and off when I tugged on the wire loom. Scrape the connector and surface and use dielectrical "grease" to protect. Extra grounds won't hurt.