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View Full Version : Mileage and Spark Plugs


blacksambo
04/18/2011, 07:43 PM
Can you change from Denso PFR11'S (The OEM Plug) and get better mileage and not trigger the ion sensor check engine light? Thx
Dmitrikr
04/18/2011, 08:18 PM
Can you change from Denso PFR11'S (The OEM Plug) and get better mileage and not trigger the ion sensor check engine light? Thx

ngk platinum for couple months - no MIL light, sensors ok etc.. but did not make any diff on gas mileage. for better gasmileage is better to change oxygen sensors
blacksambo
04/18/2011, 11:41 PM
What do you change the oxygen senors to? Thx
Dmitrikr
04/23/2011, 08:51 PM
What do you change the oxygen senors to? Thx

ntk made oxy sensors works pretty good
blacksambo
04/23/2011, 10:40 PM
How much better mileage improvement? Thx