I Have the same van and the firing order is if you stand in front of the van left front sparkplug is 1 and the leftback is 2 midelfront is 3 midelback 4 rightfront 5 right back 6
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The firing order for the 1997 Pontiac Transport is 1, 2, 3, 4, 5, 6. This is for the 3.4 Liter engine.
firing order for 1979 Pontiac 301 engine
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firig order 3.4poniac 1997
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Knowing a firing order of an engine can help diagnose engine problems. The firing order of a 1983 Pontiac Bonneville is 1-8-4-3-6-5-7-2.
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What is the firing order for points and plugs on a 2002 Bonneville?
See link
See link
1,2,3,4,5,6
1-2-3-4-5-6