thank you
30000 miles
According to the owners manual, they have platinum plugs that should be changed at 100,000 miles.
About every 50,000 miles.
about every 75000 miles
Heater plugs in a ford focus 1.8 engine should be changed every 18 months-2 years.
A standard spark plug should last about 50K. A platinum tip plug should last 100K.
Once on 1-2 year on regular spark plugs. Once every there years on High end spark plugs.
100K if they are platinum plugs, 50K if they are regular plugs.
every 100,000 km
100K
I just spoke with a Parts person at a local Toyota dealer. He told me that the 2004 Toyota Matrix requires Iridium spark plugs, which retails for about $12 at the dealership, and it should not need to be changed until 120,000 miles.
I believe in general, every 30,000 miles is the recommended.