2001 Nissan Pathfinder Owner's Manual - Page 225

AIR CLEANER SDI1022A SDI1115B SDI0393B remove the spark plugs. An incorrect socket can cause damage the spark plugs. Platinum-tipped spark plugs It is not necessary to replace the platinumtipped spark plugs as frequently as the conventional type spark plugs since they will last much longer. Follow the maintenance schedule, but do not reuse them by cleaning or regapping. If replacement is required, see your NISSAN dealer for servicing. Always replace with recommended platinum-tipped spark plugs. The filter element should not be cleaned and reused as it is given a special treatment. We recommended it be replaced according to the maintenance intervals. See "Periodic maintenance" in the "9. Maintenance" section for maintenance intervals. When replacing the filter, wipe the inside of the air cleaner housing and the cover with a damp cloth. others to be burned. The air cleaner not only cleans the air, it stops flame if the engine backfires. If it is not there, and the engine backfires, you could be burned. Do not drive with the air cleaner removed and be careful working on the engine with the air cleaner removed. ¼ Never pour fuel into the throttle body or attempt to start the engine with the air cleaner removed. Doing so could result in serious injury. WARNING ¼ Operating the engine with the air cleaner removed can cause you or 8-20 Do-it-yourself