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03-19-2010, 12:44 PM
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Junior Member
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2007 Chevy TrailBlazer LT Graystone Metallic 4.2L I6 4X4
Join Date: Mar 2010
Location: southern new jersey
Posts: 2
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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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03-19-2010, 01:35 PM
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TrailVoy Guru
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2003 Chevy TrailBlazer LT EXT Onyx Black 4.2L I6 4X4
Join Date: Aug 2005
Location: Toronto, Ontario
Posts: 8,770
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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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03-19-2010, 01:45 PM
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Senior Member
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2006 Chevy TrailBlazer LS Steel Gray Metallic 4.2L I6 4X4
Join Date: Sep 2009
Location: San Antonio, TX
Posts: 541
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I have a diagram that shows 1-5-3-6-2-4?
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2006 TB-LS 4x4. 4.2, 85K
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03-19-2010, 01:55 PM
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Junior Member
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2007 Chevy TrailBlazer LT Graystone Metallic 4.2L I6 4X4
Join Date: Mar 2010
Location: southern new jersey
Posts: 2
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firing diagram
Thank You so much!!!
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03-19-2010, 02:22 PM
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TrailVoy Alumni
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2002 Olds Bravada Pewter Metallic 4.2L I6 AWD
Join Date: Nov 2007
Location: Schaumburg, IL
Posts: 2,369
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Quote:
Originally Posted by ieatglue
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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Thats the cylinder arrangement, One is up front, and six is in the back.
Quote:
Originally Posted by Wex
I have a diagram that shows 1-5-3-6-2-4?
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Thats the firing order.
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2002 Oldsmobile Bravada: 4.2L I6 w/ G80 Locker, AWD, TBSS springs, HD bilsteins, 6000k HIDs, Mobil1, Iridium Plugs
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03-19-2010, 05:09 PM
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TrailVoy Alumni
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1998 JEEP ZJ Spray Bomb Flat Black Other 4X4
Join Date: Mar 2007
Location: Las Vegas, NV
Posts: 2,819
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I thought the first cylinder was in the back under the firewall
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03-19-2010, 10:04 PM
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Member
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2003 Chevy TrailBlazer LTZ Black 4.2L I6 4X4
Join Date: Jul 2009
Location: Hewitt, WI
Posts: 125
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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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09-22-2010, 11:57 AM
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Junior Member
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2005 Chevy TrailBlazer LS Indigo Blue Metallic 4.2L I6 4X4
Join Date: Dec 2009
Location: clarkston,mi
Posts: 28
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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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09-22-2010, 12:03 PM
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No longer with us
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2004 GMC Envoy SLT "Roadiemobile" Extreme Offroad Pewter 4.2L I6 4X4
Join Date: Apr 2005
Posts: 26,181
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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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09-22-2010, 12:10 PM
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Junior Member
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2005 Chevy TrailBlazer LS Indigo Blue Metallic 4.2L I6 4X4
Join Date: Dec 2009
Location: clarkston,mi
Posts: 28
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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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