I know there is a lot of talk about misfires on these forms but i need help getting misfire on #2 cylinder P0302 i have done the following to no evaile

1. new wire coil and plugs (oem)

new fuel injector on #2 cylinder

2.fuel psi was low so new fuel pump(oem)

3.new maf sensor

4 leak done on cylinder good

5 raditor leak test good

always throws code at 0 -3 mph and around 600 rpm

runs great idel is alittle ruff still getting around 28 mph highway

06 legacy with 170000 miles

any direction or help woud be apperiated

Possible that cylinder is too lean at idle. Could be a bad intake manifold gasket. Check for vacuum leaks by spraying throttle body cleaner around the manifold gasket. If you have TGVs be sure to spray both the lower and upper gaskets.