Close

NGK iridium IX spark plugs OK or is there a better brand? on 2004 Mercury Grand Marquis

Trying to increase gas mileage-
local 9-10mpg
short hwy. - 13
long (100 miles) hwy.-25!

Asked by for the 2004 Mercury Grand Marquis
Use OEM for the best results. Motorcraft fortunately is available at the aftermarket stores like carquest etc...
Thank you,will do.
Qualified Local Mercury Shops
Qualified Mercury Shops For This Repair
6145 S Cass Ave
Westmont
93
Technical Ability
92
Tools & Equipment
94
Customer Service
98
Customer Amenities
(630) 448-4217