Question about 1991 Oldsmobile Ninety Eight Regency
Car was running great until the engine just shut down while driving
I had the same thing happen on a 91 Olds 88. Replaced crank shaft position sensor, coil, and ignition module. That solved the problem. I think the culprit was the CSP Sensor, but changed all three so can't say for sure.
Posted on Mar 18, 2009
The problem seems like a faulty ignition module under the coil pack. The reason it quits when hot and starts after it cools is related to the coils getting the module to hot. The coil pack will misfire as not all coils need to fire to run.
Posted on Jun 02, 2009
I replaced the csp sensor and coil but not ignition module
Posted on Mar 23, 2009
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Posted on Jan 02, 2017
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