Question about Pontiac Bonneville
I look up firing orders at:
I assume you don't have the super charger, then this should be the firing order:
1998 Pontiac Bonneville
3.8 liter V-6 VIN "K"
Posted on Apr 04, 2011
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Posted on Jan 02, 2017
Here is a diagram of the firing order for you 3800 engine. Cylinders 1 and 4 are misfiring because the operate under the same "Coil Pack" and the coil pack has unfortunately gone bad. O'Reilly sells them for between $30-50 depending on the amount of warranty coverage you want. To replace, simply unscrew the screws that hold the coil pack in place. WAIT before unplugging the plug wires. Place the old coil pack and new coil pack next to each other, unplug one plug wire, then plug it to that same port on the new coil pack. then do the same for the other plug wire. Then screw your new coil pack in place, and start you car. should run fine!
Posted on Dec 14, 2009
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