it is advisable to replace plugs whenever you carry out service,however if the vehicle is not such a work horse and has not shown any signs of power loss or mis firing,you can have them cleaned of any carbon deposits after which you must replace them at the next service.As for wires,the need should arise when they show signs of wear.Good handling of wires especially when changing plugs can make them last a very long time.Eddy
With a socket for removing plugs. The wires should just slip off and need to be replaced with the exact same length.
Check/replace the spark plugs and wires. If you're not going to replace the plugs make sure the gap is correct (should be either .040 or .060) and make sure the plugs are clean of oil or gas. If it still backfires after you replace the plugs/wires check the distributor and the timing.
You don't have to but it is recommended and a good idea to.
I would replace the spark plugs after 50K, the wires and plugs again at 100K.
No you do not need to replace any plugs at all when replacing wires.
If you gap all the new plugs first and then replace the plugs and wires one at a time you won't have to worry about messing up the firing order. (This will happen if you pull all the plug wires at once and don't replace them in the same locations.)
how to replace spark plugs wires 1992 buick century v 6 3300 stationwagon
coil pack bad, or wires could be faulty/old should replace them, or the sparkplug itself could be bad try replacing plugs & wires and start from there
If you do not have any problems with plugs, change them when you replace the timing belt (do not forget to replace the spark plug wires too).
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.
Disconnect the battery, remove the engine cover, remove the spark plugs wires and boots, and remove the spark plugs. Put in the new spark plugs, replace the spark plug wires and boots, replace the engine cover, and connect the battery.
Check and replace plugs, wires, cap and rotor.Check belt and tensioner.Check all fluids.Check and replace plugs, wires, cap and rotor.Check belt and tensioner.Check all fluids.