answersLogoWhite

0

The original plugs should be good for around 100,000 miles ( 160,000 ) kms. Take it from there.

User Avatar

Wiki User

15y ago

What else can I help you with?

Related Questions

How do you change valve cover gaskets on 97 mercury grand marquis?

how to change a valve cover gasket on a 97 mercury grand marquis ?


How do you change the timimg belt on 1988 mercury grand marquis?

NO belt in the 302cid engine of a 1988 Mercury Grand Marquis. it is a chain with gears


When was Mercury Grand Marquis created?

Mercury Grand Marquis was created in 1983.


Mercury Grand Marquis passtime?

i have a 95 mercury grand marquis how do i remove the passtime device You should NOT unless you paid off the car. the dealership will then remove it.


How many quarts of oil 4.6 litter motor for a mercury grand marquis 1999?

( 5 quarts with filter change ) according to the 1999 Mercury Grand Marquis owners manual


How many quarts of oil go into a 2003 mercury grand marquis?

( 6 quarts with engine oil filter change ) according to the 2003 Mercury Grand Marquis Owner Guide


What is the spark plug gap on a 1994 Mercury Grand Marquis?

.054 is the gap for the Mercury Grand Marquis.


What is the firing order for a 1998 Mercury Grand Marquis?

what is a fire order for 1998 mercury grand marquis


Check a starter for a 2000 Mercury Grand Marquis?

how to replace starter on 2000 mercury grand marquis


How do you replace the wiper motor on a 2002 Mercury Grand Marquis?

change wiper motor grand marques


Do they still make mercury grand marquis?

No , the last model year for the Mercury Grand Marquis was the 2011 model


How do you replace the timing chain on a mercury grand marquis?

How do you replace the timing chain on a 1994 mercury grand marquis