What is the firing order for a Pontiac Grand Prix 3.1L?
Answerfront bank (radiator side) 2-4-6 rear bank 1-3-5
Info from a 03 grand prix se 3.1
**This applies to all 3800 (3.8L) Series II & III v6 engines (including supercharged) The plug firing order is 6-1-2-3-4-5 Rear 246 The 3.8L is an odd firing v6. Front 135 _____________________________________________________ The 3100 (3.1L) v6 engine's firing order is 1-2-3-4-5-6 Rear 135 The 3.1L is an even firing v6. Front 246 ** I'm guessing you have the 3.8L Grand Prix. I only added the 3.1L because it was an engine used in some grand…