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Car Forum / Oldsmobile Cars / February 200487--98 won't spark. Why?
Yesterday I was driving my 1987 Old 98 Regency Brougham around the block, only having started it two minutes earlier. All of a sudden it just quit running. I tried to restart, got good turnover, but no firing. Today a friend came over and sprayed starter fluid into the air intake and nothing. Took off a spark plug and it was wet with gas, but when he grounded it out on the motor, it made no spark. He thinks it's the coil pack. Could it be or maybe something else? He just mentioned the crank sensor as a possible problem. Any ideas/suggestions you have will be appreciated. Thanks, Mark Could be coil pack, could also be a combination of problems...like with my 88--98 Touring Sedan. Sounds like a similar problem. Would run fine for a while then just cut out or die altogether when driving around. Here's what went wrong: 1. Coil pack had a crack in it...internal shorting because of water leakage...some pretty cool sparks, and one hell of a SHOCK to me when I touched it! 2. C3I Ignition control Module (the big metal heatsink that the coil pack sits on). Some combination of water damage coupled with age and overheating caused this epoxy sealed microprocessor wonder to go kaput! All in all I paid about $500 for new AC Delco GM parts. You can get aftermarket parts from most parts stores usually save a few bucks but my car is a fussy bitch and only seems to like genuine GM. Go figure! Hope this helps. S. Williams 1988 Olds Touring Sedan 270 000kms sweet. My wife spent $500 on her car, then had it towed home the same day. I replaced the crank sensor for $24. Gary Crankshaft Position Sensor. Gary
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