If it has never been previously done before, it probably needs a major tune-up. Regular routine maintenance on any engine will drastically reduce problems later on.
Unless it is running rough or missing, change them at 90,000 miles. They are screwed into the heads.
At 35mph it runs rough. Also when idling it will quit running, sometimes. Does that sound like I need new spark plugs? How many miles are new plugs & wires good for?
No. I have done some research, and they do not need running water to live. They just need a damp habbitat.
If its running well leave it alone, but its one of the things that must be looked if its running rough.
Odyssey valves need to be adjusted every 100000 miles.
The engine is running rough. Could be in need of a tune up.
five years or 100000 km what ever comes first
Could be in need of a good tune up.
Could be in need of a tune up.
That depends on how much you have to spend.
First you need 1000 dollars.next take your car to the tech. And done
Chevrolet claims the platinum plugs in that are goord for 100000 miles, it probably would be a good idea to check them between 80000 to 100000 just to make sure