You should replace the spark plugs when your car won't start first time but does eventually.
How do you replace the spark plugs on a Peugeot 307?
most spark plugs should be checked and gapped annually. if your spark plugs are used up you should replace them
How to replace spark plugs in a 1989 jeep cherokee?
Generally, to replace spark plugs on a Subaru vehicle, the spark plug boot should be removed. Then, the old spark plugs should be removed using a socket wrench, and replaced with new ones.
To replace the spark plugs on your Celebrity requires a 5/8" spark plug socket, short extension and either a ratchet or breaker bar. First remove the spark plug wire then use the socket to remove the spark plug. The spark plugs should have a .045" gap. Replace the spark plug and reattach the wire. Continue until you have replace all of the spark plugs.
The Champion spark plug rj19lmc should be able to replace j19lm. Many of Champions spark plugs are interchangeable with plugs with the same letter coding.
Every year, or as an when the service requires
Take old spark plugs out put new spark plugs in
how to replace spark plugs on 2006 camry LE
Depends on the type of spark plugs. Factory plugs around 70 - 100k depending on the condition of the plugs. I would replace the spark plugs out with some AC Delco iridium plugs they will last you 100k+.
To replace the rear spark plugs of a 2007 Arcadia, you will need to lift the car and replace the spark plugs from the bottom. You will also need to lower the front cradle for proper installation. This will allow easy access to remove and replace the spark plugs.