Stalling Due to Mass Air Flow or Crankshaft Position Sensor Failure on Chevrolet Monte Carlo

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: 144,435 (61,000–270,000)
Engines affected: 3.1L V6, 3.4L V6, 3.8L V6, 3.8L V6 Supercharged
9 model years affected: 1998, 1999, 2000, 2001, more2002, 2003, 2004, 2005, 2007
41 people reported this problem
19 people shared problem details
2003 Chevrolet Monte Carlo- 3.8L V6147,432
Started stalling intermittently for several days. Tonight it stalled while going 45mph. Put it in neurtsl ans started engine. No warnings on instrument panel. Stalled at light but refired and acted like it wasnt getting fuel. Changed out MAS 3 months ago. Gonna look at position crankshaft sensor. Ill let u know what i figure out.
2003 Chevrolet Monte Carlo- 3.8L V6169,000
stalling son in law is a mechanic and diagnosed the problem, I got the part and husband put it in.
2003 Chevrolet Monte Carlo- 3.8L V6118,000
my car will turn off after about 10 minutes of driving, it will start back up after i let it sit for about 4-6 minutes
1999 Chevrolet Monte Carlo- 3.8L V6180,000
it was stalling out. restarted fine. check engine light came on and stated it was mass air flow. replaced it. now it doesnt want to stay started idles below running.
Car dies while I drive and I have to keep it revved up to drive also if I slow down or stop at red light\stop sign it dies
2003 Chevrolet Monte Carlo- 3.8L V680,000
I can drive vehicle long or short distance turn it off it wont start back up after sitting for about a hour than start right back up
2003 Chevrolet Monte Carlo- 3.8L V6140,000
maf failure.
MAF sensor failed at 140K miles. Was constantly stalling for about 10 miles then just refused to start up again.
2002 Chevrolet Monte Carlo- 3.1L V6160,000
Expensive, but easy fix by mechanic. Less than $500
2005 Chevrolet Monte Carlo- 3.4L V6159,000
heisting when taking off...
2004 Chevrolet Monte Carlo- 3.8L V6 Supercharged180,000
Crankshaft sensor was the problem .
2001 Chevrolet Monte Carlo- 3.8L V687,000
Car stalled out at all speeds, all RPM. Finally didn't start at all. Mass Air Flow Sensor was bad.
I recently noticed that the air flow sensor or really I think it is is missing from the fuse box I just wanted to know if its mandatory for it to be there so that I can replace it and where we need to go to get it if I can just go to any store I have to go to Charlotte thank you please let me know
starst and then cuts off cut off at 55mile an hour
Stalls. early on it would start right back up. Now it takes hours or even overnight
2003 Chevrolet Monte Carlo- 3.8L V6135,000
Intermitant stalling, would restart after a few minutes.Seemed to be getting progressivly worse with warm weather. Following suggestions in this resource, and position sensor code PO336, changed out sensor. Been driving a week now and no further problems. Thanks to all for their contributions.John R.
2004 Chevrolet Monte Carlo- 3.8L V6 Supercharged61,000
Mass Air Flow Sensor replaced. Seems to have fixed the stall issue. $$$$'s
04 MC SS died while idling at a stop light and would not re-start. Came out of the blue - didn't have any issues with the vehicle beforehand. Had the vehicle towed and the MAF sensor (battery as well) replaced. Ran fine afterward.
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