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guy

guy 12/28/2013

1994 Buick LeSabre Limited 6 Cyl 3.80L

Engine

my 1994 buick lesabre has had off and on starting problem, have replaced fuel pump map sensor,fuel pressure regulator,

iac,sometimes when you start her she pulsates,service engine light flashes off and on and interior lights pulsate and when you turn headlights on pulsating stops, can also hear clicking under hood during pulsating, had alternator checked they said it was ok, had car scanned yesterday was told icm bad, replace today she starts up ok but randomly still does the pulsating thing

1 Answer


HouseCallAuto

HouseCallAuto 12/29/2013

Check the voltage at the battery DURING the pulsating and if it is not about 14 or more volts the alternator is junk.

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