Firing order

Tiny
RGOMEZ6868
  • MEMBER
  • 2010 GMC TERRAIN
  • 3.0L
  • V6
  • FWD
  • AUTOMATIC
  • 70,000 MILES
I need a firing diagram. #1 cylinder not firing correctly?
Sunday, January 11th, 2015 AT 9:43 AM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
It sounds like you have a ignition coil going out but here is a guide and the firing order to help you fix it. Lets run the codes. #1 cylinder is on the furthest forward head.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Check out the diagrams (Below). Please let us know what you find.
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Sunday, January 11th, 2015 AT 11:16 AM

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