Stalling Due to Mass Air Flow or Crankshaft Position Sensor Failure on Pontiac Grand Prix

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: 131,844 (18,700–246,000)
Engines affected: 3.1L V6, 3.8L V6, 3.8L V6 Supercharged, 5.3L V8
10 model years affected: 1997, 1998, 1999, 2000, more2001, 2002, 2003, 2005, 2006, 2007
41 people reported this problem
13 people shared problem details
2002 Pontiac Grand Prix- 3.1L V6137,000
my grand prix has been stalling for weeks now cant seem to find the problem. the mass air flow code keeps popping up and we've changed everything it could be. the code still puts up, this is driving me and my dad crazy we cant figure out anything. were thinking it the computer thats bad but were not sure help plz?
2000 Pontiac Grand Prix- 3.8L V6124,000
I had more than just stalling! Once my GTP reached normal operating temp. it would stall at first then completely cut off! not good in rush hour traffic! Once it cooled down, it would start until it warmed back up. I let it sit a few months while I researched the problem. Did a major tune up, changed all fluids, plugs, etc... The problem remained. I was ready to change the CPS, not looking forward to it! Then decided to change the MAF. BINGO! It worked!
2006 Pontiac Grand Prix- 3.8L V6110,000
Random stalling while driving and no start for 10 minutes.
2002 Pontiac Grand Prix- 3.8L V6154,000
Car would stall check engine light car would run for a month or longer without stalling.Would stall at any speed.Mass air flow sensor was the culprit.I tapped lightly on the sensor and the engine stalled!!Try running the car with the sensor unplugged.
My check engine light came on, and it was due to a MAF sensor. I was getting a new oil change, and the tech told me I should get an engine flush to clean the sensors. It did not work and I was pissed for spending a hundred dollars.
mass air has failed 4 times in 6 months.the shop tells me they replace I have my doubles.
ok when i drive my car a good distance and stop at a stop sign or a light my car starts alie up high and then alie down low then go back up high and run high for a while then cuts off but once i puts it back in park it crank right back up with no problem
2002 Pontiac Grand Prix- 3.8L V6175,000
Stalls after the engine hit normal operating temperature while driving. Replaced the MAF problem no longer exists.
1998 Pontiac Grand Prix- 3.8L V6130,000
repeated stalling and check engine light. Diagnostic test coded Mass Air Flow Sensor. Once replaced no more problems
1999 Pontiac Grand Prix- 3.8L V6129,000
engine occasionally surging... and occasionally stalling CEL reporting high O2 sensor.... replaced ... bad diagnosis True problem was MAF which of course could send rich signals to O2.
2005 Pontiac Grand Prix- 3.8L V637,000
Stalling issues that seem to be related to the crank position sensor.
2001 Grand Prix GT. car stalls after driving about 5 miles. will restart after 10 mins. solution on my car was cleaning throttle body and mass air flow sensor with mass air cleaner and replaced idle air control valve. also replaced a bad coil. no stalling issue now
2006 Pontiac Grand Prix- 5.3L V8
the crank sensor went and had to be replaced.
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