Engine Stalls/Loses Power, Trac Light Comes On


pretty bad
Typical Repair Cost:
Average Mileage:
123,273 miles
Total Complaints:
11 complaints

Most Common Solutions:

  1. not sure (8 reports)
  2. crank position sensor (1 reports)
  3. replace main module and abs module (1 reports)
  4. replace the mass airflow sensor (1 reports)
2000 Pontiac Grand Prix engine problems

engine problem

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2000 Pontiac Grand Prix Owner Comments

problem #11

Jul 132011

Grand Prix GT V5

  • Automatic transmission
  • 182,000 miles


please someone tell what to do, i bought this pos in may of this year and going down the interstate, it feels like someone has hit me from behind when the track cuts of, then it is fine. what do i do to fix this problem, please someone help me.

- , Madisonville, LA, USA

problem #10

Mar 222010

Grand Prix GT 3.8L V6

  • Automatic transmission
  • 219,000 miles

I just bought this Grand Prix on 3/20/10. The other day the car TRAC OFF light came on and the RPM dropped to 0. However, unlike the rest of you the car did not shut off. When I got to my destination I turned the car off and started it back up... No problem TRAC light was off RPM gauge was working correctly.

The car however will shut off for no reason at random times started doing this on 3/22/10 but will start right back up. I thought that it had something to do with the security system because the light would always flash while I was driving, and according to the owners manual the car will shut the fuel pump off because it thinks that it is being stolen so I tried to disable the security system with no luck.

The next day at work the car shut off while I was on my lunch so I had it towed to the dealer ship on 3/25/10. None of the above items that other people mention happen when the car shuts off. I took it to the dealer and at the time the SECURITY light was flashing. They told me that the KEY PASS switch was faulty and they replaced it for $484.00. I didn't understand how that could be because the way that it was explained to me was the the switch was not reading the key, but it would let me start the car and drive for miles before it would shut off??????

I got the car back Saturday 3/28/10 the security light was not flashing and everything seemed to be running great. The next day the car shut off in the rain at an intersection. I called a tow truck he said it would be about 20 min. Right before he arrived I tried to start the car and it turned right over no problem but, I had it towed back to the dealer and it has been there since 3/29/10.

This morning the dealer called me to tell me that the car shut off for him but he forgot to hook it up to the necessary monitors to see where the failure is. Needless to say I have no car and still no solution. If anyone knows or has had this problem please let me know what the fix was.

- , Flushing, MI, USA

problem #9

Jan 302008

Grand Prix GTP 3.8L

  • Automatic transmission
  • 120,000 miles

My 2000 Grand Prix was stalling and the trac light was coming on. You need to replace the mass airflow sensor. I had the same problem and now its great! I just had to pay for the part since my dad's friend is a mechanic.

- , Woodbury, MN, USA

problem #8

Jun 132007

Grand Prix GTP 3.8L V6

  • Automatic transmission
  • 130,000 miles


They told me I blew the abs module and then they fixed it and then told me that the main module for the car blew. So I paid for 2 modules that I don't think I did anything too. I love the Grand Prix and have very minor issues with it. I just don't like it when the dealer doesn't tell you the truth. They told me that a battery is what blew the abs module. I got a battery a year prior to the issue. I just think they mde more problem for the car.

- , Newport News, VA, USA

problem #7

Apr 272007

(reported on)

Grand Prix 3.8L V6

  • Automatic transmission
  • 111,000 miles

The grand prix's Trac light began coming on after a sputter by the engine and the RPMs going to zero. Once the car actually shutdown completely on the highway. For some reason the car starts up fine and the RPMs begin working again after restart. I am changing the fuel filter, spark plugs, and checking the transmission. If anyone knows why this is happening please let us know.

- , Orange, TX, US

problem #6

May 122007

(reported on)

Grand Prix GT 3.8 V6

  • Automatic transmission
  • 100,000 miles

I have had this problem happen three times, so far. The trac control light comes on, and the tach drops to zero. When I re-start the car it all resets and works fine, but it definitely is a problem. From the sounds of it it costs more to figure out what the problem is, than to just deal with it. I have yet to hear that anyone has actually figured out what the problem is.

- , Woodbury, Minnesoa, USA

problem #5

Aug 152007

(reported on)

Grand Prix GT 3800

  • Automatic transmission
  • 75,000 miles


Usually the problem occurs at about 5-7 minutes into the drive.(Engine briefly looses power, tack to zero and trac light on)sometimes the engine completely dies but will restart, sometimes not so easy. The codes present were both knock sensors and the crank sensor. The regular shop I go to thought the ignition module was bad but $450.00 later found that was not the problem. Now the engine is real sluggish. Next step is at the dealer. big $$$!

- , Phoenix, AZ, USA

problem #4

Aug 062007

(reported on)

Grand Prix GT 3800 SERIES II

  • Automatic transmission
  • 80,000 miles

We changed the computer and ignition module also which didn't resolve problem. Left us w/o a vehicle and cost about $500.

Once we changed the crank position sensor we haven't had any more stalling problems.

Originally we also had to take the car to the dealer when the trac off light was on. This was a serious pain.

Good luck

- , Wellsburg, WV, USA

problem #3

Aug 052007

(reported on)

Grand Prix 3600 SUPERCHARGED

  • Automatic transmission
  • 145,000 miles

I'm just driving down the road and the car just dies. I wait three to five minutes and the car will start up again. The dealers in my community say call them when the car dies and they'll come and pick it up. On a Sunday!! When they're closed!!

Does anybody know or have heard of a solution that actually worked?

Thanks Art

- , Hanford, CA, USA

problem #2

Mar 102007

(reported on)

Grand Prix V6

  • Automatic transmission
  • 114,000 miles

I started seeing the TRAC light stay on with the RPM's going to zero. Seems strange because it happens when road conditions are pretty good which should not cause the TRAC light to come on. Also, the engine sounds good while running and ideling. However, every once and awhile the engine appears to want to shutdown but only for a second or two. I have an auto service working with me to try and determine what course of action to take.

If anyone is having this problem or had this problem, what are you doing or what was the solution.

- , Scottsdale, AZ, USA

problem #1

Dec 302006

(reported on)

Grand Prix GT 3800 SERIES II

  • Automatic transmission
  • 80,000 miles

Our car began giving us problem at least 6 months ago. Initially, he traction light would come on and the tach would go to 0. Then it started stalling after exhibiting the above. We took it to the dealer but was informed that we needed the trac light to be on when we got to the dealer.

We managed to get the car to the dealer when the trac light was on. They said it would be 1 of 3 things: computer, ignition module or I forget the last thing. Charged $45. Eventually, we got the computer replaced, total cost $300. Problem persisted.

Yesterday got the ignition module replaced total cost $200. We still have the problem and the garage now has the car, unsure what the problem is. Do we keep putting money in a car that is 7 years old with 80,000 miles which no one seems to be able to fix our do we cut our losses and unload it?

- , Wellsburg, WV, USA

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