How do you change spark plugs on 2004 Pontiac grand prix gtp?

Answer 1

To change the spark plugs on a 2004 Pontiac Grand Prix GTP, first, ensure the engine is cool, then disconnect the negative battery cable. Remove the engine cover if necessary, and locate the spark plugs on the engine. Use a socket wrench with an extension to carefully unscrew and remove each old spark plug, replacing them with new plugs, ensuring they are properly gapped. Finally, reconnect everything, including the battery cable, and start the engine to check for smooth operation.