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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Pontiac Technician
Category: Pontiac
Satisfied Customers: 2376
Experience:  GM Grand Master Technician 2007. 14 years experience.
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Customer Question

Submitted: 10 months ago.
Category: Pontiac
Customer: replied 10 months ago.
My 2007 pontiac torrent misfires with engine light comes back on every time it is reset. It has misfire codes PO300 PO303 PO 455
Expert:  Daniel Jones replied 10 months ago.

Hello. Welcome to the site. Thanks for coming. I'm ***** *****.
I'm here to provide as much information and insight as I can, to best answer your question.

Can you give me your VIN# ***** I can see if there are any Service Bulletins?

Does it come back on after driving or after you restart engine?

Does engine run rough?

Thank you for posting your question.

Your business is very valuable to us.
Thank You
***** *****

Customer: replied 10 months ago.
The engine runs a little rough when I try to accelerate.It does start good after driving and turning it off.when I turn off car it has trouble turning into the off position.
Expert:  Daniel Jones replied 10 months ago.

Did you replace the spark plug wires?

Customer: replied 10 months ago.
No just the plugs.
Expert:  Daniel Jones replied 10 months ago.

You probably have a bad plug wire or coil. To verify it is a plug wire you can try swapping plug wires with another cylinder and see if the miss goes to a different cylinder and code. DTC P0303 is for cylinder #3.