1-6-5-4-3-2 click the link for a photo of the wiring.
195 r60
Either incorrect firing order or way to much advance in the timing.
You can Pick up a Chiltons repair manual from any auto part store. Make sure it specifies your make and model. It will have most, if not all the repair instructions you will need. They even have helpfull diagrams.
1986 Pontiac Firebird 2.8 Liter Firing Order
The firing order for a 2.0 L. is 1423.
The firing order for a 1986 Oldsmobile Cutlass Ciera 2.8 V6 is 1, 2, 3, 4, 5, 6. The number one cylinder is on the front left as you face the engine compartment.
The firing order is 1-3-4-2
1342
The firing order on a 1986 Chevrolet Celebrity V6 is: 1-2-3-4-5-6.
Lap and Belt
ECM is a common problem with this type of car engine
go to OBD codes.com they have them for everything sandi