Buick regal just cuts off while driving

50

Asked by Mar 08, 2016 at 02:52 PM about the 1992 Buick Regal Custom Sedan FWD

Question type: Maintenance & Repair

Was running fine and just died going down
the highway, started back up n died again
got it started again n made it home .
changed the crank sensor, ran For a day n
just cut off again, changed the ignition
control module n it ran worse, put the old
one back on n changed the plugs, still no
different , it just cuts off while driving
sometimes it will restart in a few hours or
the next day.

8 Answers

5,865

ooo, I hate that when that happens...one looses faith in the machinery that may be used to bring a person to the hospital (for example) yes...this is intolerable...to confess, I always GET rid of cars that strand me~ we could start by checking the fuel pressure...the fuel pump may be weak...that would be my first guess~ grounding to the coil is something that could be affected by temperature~...perhaps at a weak and corroded state and needs a tending to~ see I cannot see your vehicle...but you have my thoughts...just TEST the fuel pressure...you could even relieve the pressure at the fuel rail...there is a "shoeder valve" for testing pressure (should be 30-50 PSI min)~ and not "go out"...would probably look to the fuel pump as the main cause for this...not the pump itself, but power to the pump~ (possibly~)

2 of 2 people found this helpful.
50

My son's been working on it n he said it's not getting spark when he tested it.

1 of 1 people found this helpful.
50

He thinks it's the coils but it's been like a guessing game, the car only has 80,000 miles on it n was well maintained

2 of 2 people found this helpful.
5,865

think there may be a recall or tsb on this~ your ignition switch is the stuff that lawsuits are made of~

5,865

bunch of 'em~ https://www.automd.com/tsb/buick_m/regal_mm/1992_y/

1 of 1 people found this helpful.
5,865

ooo, this is getting interesting~ http://www.carcomplaints.com/Buick/Regal/1992/

1 of 1 people found this helpful.
50

My son's been working on it n he said it's not getting spark when he tested it.

2 of 2 people found this helpful.
5,865

obviously we are not getting power from the battery...make sure the battery is New-ish~ and is at 12.5 volts~ check the power at the coil..engine switched on~ perhaps is a simple matter of cleanin' the battery terminals~

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