Need to know the engine in order to answer this.
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The firing order for the 4.3L engine is 165432
Knowing the firing order of a car's engine can help troubleshoot problems later on. The firing order for a 1993 GMC Sonoma 2.5L engine is 1-6-5-4-3-2.
what is the firing order on the distributer cap on a 1994 gmc 5.7 liter
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Size engine would help.
Chevy Firing Ordercheck related links below
Yes
The firing order for 1993 GMC Safari 4.3 L engine is 1, 6, 5, 4, 3, 2. The number one cylinder is on the right side at the front as you face the engine.
gmc jimmy1989 firing order spark plugs