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Virtual Wrench
Virtual Wrench, Pontiac Mechanic
Category: Pontiac
Satisfied Customers: 14620
Experience:  35 years Master Mechanic
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I have a 99 Grand Prix get and I need to know how to replace

Customer Question

I have a 99 Grand Prix get and I need to know how to replace the cam shaft sensor it's the 3.8
Submitted: 1 year ago.
Category: Pontiac
Expert:  Virtual Wrench replied 1 year ago.
Hi,
Are you sure it nots the crank shaft sensor??
Do you have the error code number please?
Customer: replied 1 year ago.
Auto zone checked the error code and said it was the cam shaft sensor it will act like it misses a shudder and at times it causes the engine to die
Customer: replied 1 year ago.
It starts and runs fine until it stalls but it will start right up when it dies
Expert:  Virtual Wrench replied 1 year ago.
Hi,
Can you get the exact code. I dont want to be guessing because those symptoms are not adding up.
Customer: replied 1 year ago.
They said it was the sensor under the water pump when we looked at the picture in Auto Zone
Expert:  Virtual Wrench replied 1 year ago.
Be right back..
Expert:  Virtual Wrench replied 1 year ago.
Hi,sorry for the delay, my PC froze up....ugh..
Thats what i thought. That is the crank sensor and will cause those symptoms. Problem is that it is by no means an easy replacement. You have to have special pullers to remove the balancer and such. and are best to let a pro handle it or it will cause you some serious grief! Just being honest and dont want you to get into something that turns out to be more than you thought :-)
Below is a diagram showing the location.
https://dl.dropboxusercontent.com/u/33691145/ckp.PNG
Larry

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