DTC Detection Logic

WARNING: This page is about a different variant/trim than selected.

NOTE: DTC P0090 may be displayed when running out of gas.

DTC		CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
P0090	00	FUEL PRESSURE CONTROL FUNCTION (Fuel pressure regulator 1 control circuit)	Diagnosis condition	Engine running at idle
			Signal (terminal)	--
			Threshold	Fuel rail pressure remains at 1, 100 kPa (11.22 kg/cm ² , 159.5 psi) or more during engine rev Fuel rail pressure remains at 18, 500 kPa (188.7 kg/cm ² , 2, 682.5 psi) or more during engine rev
			Diagnosis delay time	5 seconds or more