Two problems related to ignition module have been reported for the 1998 Buick Lesabre. The most recently reported issues are listed below.
While driving 60 mph with the cruise control engaged vehicle completely shutdown without warning, cause unknown. Dealer reprogrammed the computer which did not correct the problem. Please give any further details.
Engine quits after starting and also when cruise control is engaged because the vehicle's computer programing failed. Yh.