if you cant get at your spark plugs the best way is to take the side and front motor mounts out and let the motor down they will be easy to get at make sure you have a jack under the motor comes out like butter
Follow the plug wires from the distributor.
fixed it was spark plug wires.
Check to make sure the wires are all tight and you have them in the correct firing sequence. Also make sure you put the correct plugs in.
On my 94 voyager with the 3.0L the cylinder numbers are stamped into the heat shield located under the spark plug boots - you won't see these numbers with the wires on, since it obscures the stamping. On my van sequence from Left to right is: Front 2-4-6, Rear 1-3-5.
To replace spark plug wires on a 3300 Oldsmobile engine, open the hood and remove the wires from the end of the engine. The number of spark plug wires most often corresponds to the number of cylinders your engine has.
Disconnect the battery, remove the spark plugs wires and boots and remove the spark plugs. Put in the spark plugs, replace the spark plug wires and boots, and connect the battery.
No you do not need to replace any plugs at all when replacing wires.
Wires may be old and possibly porous and spark is jumping through Replace plug wires
how to replace spark plugs wires 1992 buick century v 6 3300 stationwagon
Replace high tension coil wire. Probably time to replace all the spark plug wires.
could be the magnetic pick-up in your distributor, I replaced mine and it solved the problem.
Unplug all the spark plug wires. then loosen the screws holding the distributor on, remove it, put the new one on and screw it in, then replace the spark plug wires