Can you change from Denso PFR11'S (The OEM Plug) and get better mileage and not trigger the ion sensor check engine light? Thx
Can you change from Denso PFR11'S (The OEM Plug) and get better mileage and not trigger the ion sensor check engine light? Thx
What do you change the oxygen senors to? Thx
How much better mileage improvement? Thx