I needed to find out what the firing order?

2006 CHEVROLET AVALANCHE
124,000 MILES
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RANDY KIRTON
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My check engine light came on. A mechanic friend hooked up his reader to the computer and said it was mis firing on # 7 cylinder. We changed all wires and spark plugs and did a tune up, but light came back on. He said I need a coil pack for it, but I needed to find out what the firing order was so I can install the coil pack on the proper cylinder, #7.
Can you help?
Randy Kirton
Dec 10, 2011 at 5:43 PM
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SATURNTECH9
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Here is the engine spark plug firing order. Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.......................................................................................
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Dec 10, 2011 at 5:51 PM