Tachometer keeps shutting off and traction light comes on

Tiny
ROUSH028
  • MEMBER
  • PONTIAC GRAND PRIX
My car is a 2000. Randomly while driving the car will jerk and then the tachometer will kick off followed by the traction off light turning on. Can anyone help me with this problem? It is a real pain in my side!
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Monday, April 9th, 2007 AT 11:44 PM

4 Replies

Tiny
JZOTZ
  • MEMBER
I have a 1997 Grand Prix GT and have a similar problem for about a year. The tachometer shuts off randomly with after a jerk. I often have the engine light come on shortly after this happens. I have had the code checked on multiple occasions. It is for a crank position sensor. Although my mechanic says if the sensor is bad, it should cause the car to shut off, not just jerk once. That is unless it is only intermittently failing as I believe is the case. Anyway, they are resisting fixing it because of this. I have never had the traction control light malfunction with this though.
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Friday, April 13th, 2007 AT 12:04 PM
Tiny
ROUSH028
  • MEMBER
Well my check engine light never has come on yet just the trac light. But you said that it should shut off if the sensor was bad. Well my car will occasionally just shuts off without warning. You think it might be the sensor? It does not die every time the tachometer kicks off, but every once in awhile it will just turn off and then start right back up again.
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Saturday, April 14th, 2007 AT 12:37 AM
Tiny
LOSDOGDAGREAT
  • MEMBER
I have the exact same issue, trac off light comes on, tachometer drops to zero. This is usually accompanied by the car jerked, and it also sometimes cuts off. I have had a tun up, but I do not know what the deal is, but it is very frustrating.
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Tuesday, October 2nd, 2007 AT 12:59 PM
Tiny
JERRI SWANN
  • MEMBER
Hi, I had same problem as everyone listed 98 Pontiac Grand Prix GT 150,000. Car jerks then trac light shuts off then car shuts off. The problem got worse and worse but, thanks to this forum, and my husband who knows a little something (more than most) about cars. We fixed it! It was the crank position sensor. The part was $39.00 and two hours of his time. My kids and I are back on the road safely. And no worries. :D
I cannot believe they charge $320.00 to fix. But, what are you going to do if you do not get it fixed, the problem only gets worse especially with the car shutting down. Good luck! :)

Jerri and Pat
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Friday, November 16th, 2007 AT 11:12 AM

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