Audi gasoline straight-4 1.8 L CDHB 158 HP at 4500 RPM, 250 N⋅m at 1500 RPM engine DIY maintenance and service manual

General Information

Audi gasoline straight-4 1.8 L CDHB 158 HP at 4500 RPM, 250 N⋅m at 1500 RPM is an 1798 cc (1.58 UK qt.) internal combustion reciprocating Inline 4 engine. It has bore/stroke ratio of 82.5 mm × 84.1 mm (3.25 in × 3.31 in). This engine was rated 118 kW (158.24 hp) at 4500 rpm and 250 N⋅m (184.39 lbf⋅ft) of torque at 1500 rpm. It was used in Audi cars.

Engine Performance Rating

SAE J1349 (SAE Net)

Audi gasoline straight-4 1.8 L CDHB 158 HP at 4500 RPM, 250 N⋅m at 1500 RPM engine performance rating according to SAE J1349 (SAE Net) standard.
Parameter	Output
Power Rating	118 kW (158.24 hp) at 4500 RPM
Torque Rating	184.39 lbf⋅ft184.39 lbf⋅ft250 N⋅m at 1500 RPM

Specifications

General

Audi gasoline straight-4 1.8 L CDHB 158 HP at 4500 RPM, 250 N⋅m at 1500 RPM engine general specifications.
Parameter	Value
Type	Internal Combustion Reciprocating
Fuel Type	Gasoline
Cylinder Configuration	Inline 4
Engine Displacement	109.72 in³109.72 in³1798 cc
Bore	3.25 in3.25 in82.5 mm
Stroke	3.31 in3.31 in84.1 mm

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Engine head and valvetrain

Audi gasoline straight-4 1.8 L CDHB 158 HP at 4500 RPM, 250 N⋅m at 1500 RPM engine head and valvetrain specifications.
Parameter	Value
Valvetrain Type	DOHC
Valves per Cylinder	4

Air Intake

Audi gasoline straight-4 1.8 L CDHB 158 HP at 4500 RPM, 250 N⋅m at 1500 RPM air intake specifications.
Parameter	Value
Air Intake Method	Turbocharger

Fuel Injection

Audi gasoline straight-4 1.8 L CDHB 158 HP at 4500 RPM, 250 N⋅m at 1500 RPM fuel injection specifications.
Parameter	Value
Injection Type	GDI