Honda Civic DX, NOX @ 3000-3500 loaded mode test: 178218 miles on the clock 1.5L TBI duel Inj. CA emissions Timing @ spec 18 BTDC, total advance about 30 at 2000 RPM Temp gage reading below ½ , idle temp about 180 Block check pass No Codes Lambda 1.003 @ 14.74... Login to read more.