Stalling Due to Mass Air Flow or Crankshaft Position Sensor Failure on Buick Regal

The mass air flow or crankshaft position sensor may fail causing the engine to intermittently stall. It may be necessary for the engine to cool down before it will restart.

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Average mileage: 166,335 (90,000–287,000)
Engines affected: 3.1L V6, 3.8L V6, 3.8L V6 Supercharged
12 model years affected: 1991, 1994, 1995, 1996, more1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
35 people reported this problem
16 people shared problem details
1999 Buick Regal- 3.8L V6 Supercharged142,500
Car would shut off randomly, at first only after it had been running for a while, but it got worse and would stall any time/at least twice per day. Replace mass air flow sensor 3 days ago, hasn't stalled since.
1999 Buick Regal- 3.8L V6 Supercharged170,000
Car stalling repeatedly, suddenly and without warning or sluggish performance. No DTC codes found with Actron Scan Tool. Had shop run tests, they recommended either MAF and/or CPS replacement. Replaced MAF myself, but stalling continued; then ran code scanner again, and popped P0336, stating pending CPS problem. Considered this definitive proof of cause of stalling. Scheduled CPS replacement.
2000 Buick Regal- 3.8L V6240,000
Car dies varies times no special speed or RPM Finally security light comes on, pointing to the key and/or ignition switch. Traded to wife's original, seldom used key After the three minutes, car started drove the 1800 miles home with no more problems. Buick dealership wanted to replace crank sensor at $200. Maybe a good guess generally. The key is just another thing to check. Book also suggested just clean the key. At the 240000 on the 7000 mile trip the 3.8 did not require any added oil and still gets from 29 to 31 MPG at freeway speeds. Finding it hard to replace with a new car.
1999 Buick Regal- 3.8L V6 Supercharged234,000
while driving down the road the car would just shut off, and i would have to wait for a few minutes before it starts again
2001 Buick Regal- 3.8L V6200,000
intermittent killing now wont start cleaned mass air flow no longer pull up code for maf just replaced crankshaft position sensor....problem solved...no more MAF code either
1996 Buick Regal- 3.8L V6
the car stalls aleast twice a day weather i drive at high or low speeds.
2004 Buick Regal- 3.8L V6 Supercharged90,000
Crankshaft sensor failure caused vehicle to stall at highway speed.
1998 Buick Regal- 3.8L V6100,200
Acted like out of gas due to resulting over lean - $500 sensor fix
1994 Buick Regal- 3.8L V6
car won't start on a hot/humid day, must wait to car cool down before start up again, this is only after 10 miles of driving. replace the EGR valve, however the problem still exist.
1996 Buick Regal- 3.1L V6287,000
studders at take off and acts like it looses power at times
Car won't start when hot, must wait for car to cool down, maybe a sensor problem.
1995 Buick Regal- 3.8L V6100,000
Horrible. Never completely fixed, replaced mass aiirflow sensor
2003 Buick Regal- 3.8L V6
It stalls while im on the express and stops on you car is very dangerous
1996 Buick Regal- 3.1L V6124,000
Car didn't stall, but rpms would bounce from 500-1300 at idle. Car previously had a steady idle of 1000 rpms prior to MAF sensor failing.
2000 Buick Regal- 3.8L V6 Supercharged150,000
Had to have new sensor put in car after having it stall 3 times while on my way to work.
1999 Buick Regal- 3.8L V6 Supercharged
Replaced car has 180,000
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