Firing Order Diagram - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum



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Go Back   Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum > 2002 - 2009 TrailBlazer/Envoy Tech > 02-09 General Tech Q&A > General

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  #1  
Old 03-19-2010, 12:44 PM
lindacap lindacap is offline
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Firing Order Diagram

Hello! This is my first post....I need the Firing Order Diagram for a 2007 Chevy Trailblazer, 4.2L 16 4x4 ....I've been searching the internet and get everything but!!!
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  #2  
Old 03-19-2010, 01:35 PM
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ieatglue ieatglue is offline
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From what I remember, it's 1, 2, 3, 4, 5, 6 starting at the fan and going back towards the firewall
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Old 03-19-2010, 01:45 PM
Wex Wex is offline
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I have a diagram that shows 1-5-3-6-2-4?
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Old 03-19-2010, 01:55 PM
lindacap lindacap is offline
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firing diagram

Thank You so much!!!
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  #5  
Old 03-19-2010, 02:22 PM
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Quote:
Originally Posted by ieatglue View Post
From what I remember, it's 1, 2, 3, 4, 5, 6 starting at the fan and going back towards the firewall
Thats the cylinder arrangement, One is up front, and six is in the back.

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Originally Posted by Wex View Post
I have a diagram that shows 1-5-3-6-2-4?
Thats the firing order.
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  #6  
Old 03-19-2010, 05:09 PM
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I thought the first cylinder was in the back under the firewall
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  #7  
Old 03-19-2010, 10:04 PM
DanD DanD is offline
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#1 cylinder is to the front in every car, truck, or tractor I've ever seen, including our Trailvoys.
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  #8  
Old 09-22-2010, 11:57 AM
snow monkey snow monkey is offline
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Ok , I have a missfire on #2. Is #2 the second plug back on a 2005 6cyl?
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Old 09-22-2010, 12:03 PM
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the roadie the roadie is offline
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#2 is second plug back. On our I6, there's no such thing as left or right side.
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Old 09-22-2010, 12:10 PM
snow monkey snow monkey is offline
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Thanks Roadie,
I found that out just a second ago. I am going to buy new plugs for the old girl she has 66k even though I suspect it is the coil.
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