Why does my 2002 nissian frontier supercharges 3.3 4x4 get such terrible fuel milage
Check your ECM codes. A code P0328 means your knock sensor has stored a code. Apparently when this code is stored it does not change much on a non-supercharged 3.3L engine but does on a supercharged one.
I'm going to try using the recommended higher octane in my 2003 supercharged 3.3L Frontier and see if the code disappears. If not, I plan to relocate the knock sensor to a more wrench-friendly area.
It's stuck in 4x4.
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