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Pontiac
Submitted: 1 year ago.Category: Pontiac
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Customer reply replied 1 year ago
My 2007 pontiac torrent misfires with engine light on.it comes back on every time it is reset. It has misfire codes PO300 PO303 PO 455
Answered in 51 minutes by:
9/17/2016
Pontiac Mechanic: Daniel Jones,
 replied 1 year ago
Daniel Jones
Category: Pontiac
Satisfied Customers: 506
Experience: GM A Tech at Straub Buick GMC
Verified

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
***** *****

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Pontiac Mechanic: Daniel Jones,
 replied 1 year ago

Did you replace the spark plug wires?

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Customer reply replied 1 year ago
No just the plugs.
Pontiac Mechanic: Daniel Jones,
 replied 1 year 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.

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