Reviewed By Christopher M (North Dartmouth, MA) Reviewed for a 1999 Jeep Cherokee —3/10/2017 8:30 AM
Intake, injectors, ignition coil, wires, plugs and new radiator were leaving me with a Check Engine Light and 12mpg. (I have 31" tires) The Jet2 tuned my engine right and now I'm getting 16mpg and my CEL turned off. Probably was running too rich through the O2 sensors, problem solved!