at how many miles do need to change my spark plugs
A 4-cylinder 2009 Hyundai Accent has its first recommended spark plug change at 30,000 miles for both normal and severe conditions. Likewise, a 4-cylinder 1990 Honda Accord recommends a plug change every 30,000 miles or two years. âLong-Lifeâ Plugs Several manufacturers advertise âlong lifeâ spark plugs. Using precious metals such as silver, platinum, gold and iridium, these plugs have an advertised life close to 100,000 miles.
Hope that helps and best of luck.By the way most ppl drive about 10,000 miles a yr and do yearly tune ups , plus most spark plugs will last a few years and well over 30,000 miles. Most of the cars from the late 80's up are in the 70,000 to 100,000 mile range for a spark plug change. The improvement in the ignition systems and the plugs has reduced the need to replace them. Your owners manual should give you a mileage figure in the maintenance section. Source(s): Been repairing and restoring cars for 50 years. mustanger Â· 9 years ago.