It will improve gas mileage…
It will improve gas mileage with new plugs but a 1000 bucks that not right.i do it for 50.my wife took 2019 to CHARLIES MOTOR MALL IN AUGUSTA MAINE for inspection. The guy flunked it.told my wife it needed 6000.00 in repairs.yeah 6 GRAND 2019 SAME STEALERSHIP BOUGHT NEW NOW 5 YEARS LATER 6 GRAND IN REPAIRS.I TOOK IT TO ANOTHER INSPECTION STATION I GAVE THEM LIST CHARLIE MOTOR MALL GAVE MY WIFE.20 bucks inspected and van is totally safe.BUT SEE A WOMEN STILL GETTING TAKEN ADVANTAGE OF IN 2025.SHAME ON YOU.times are hard for all and to be ripped off it's FRAUD.STAY AWAY FROM CHARLIES MOTOR MALL AUGUSTA MAINE.CANT SAY ENOUGH.