audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Engine assy,cylinder block,crankcase > < Engine number
4-Cylinder engine (5-valve), Mechanics
Technical data
Engine data

Code letters

AGN

AGN

APG

Manufactured

up to 07.97

08.97 up to 07.00

from 08.00

Displacement

l

1.781

1.781

1.781

Output

kW at rpm

92/6000

92/6000

92/6000

Torque

Nm at rpm

173/4100

170/3500 ... 4000

170/3500 ... 4000

Bore

mm

81.0

81.0

81.0

Stroke

mm

86.4

86.4

86.4

Compression ratio

9.5

9.5

9.5

RON

min.

95 1)

95 1)

95 1)

Injection/ignition system

Motronic

Motronic

Motronic

Firing order

1-4-3-2

1-4-3-2

1-4-3-2

Knock control

yes

yes

yes

Secondary air system

no

no

yes

Exhaust gas recirculation system

no

no

yes

Intake manifold changeover function

no

yes

yes

Camshaft adjustment

yes

yes

yes

    1)    Unleaded regular RON 91 also acceptable, however with loss of performance.

Code letters

AGN

AGN

APG

Valve timing 2)

Inlet opens after TDC

12.0°

18.0°

18.0°

Inlet closes after BDC

34.0°

40.0°

40.0°

Exhaust opens before BDC

38.0°

38.0°

38.0°

Exhaust closes before TDC

8.0°

8.0°

8.0°

    2) with 1 mm valve lift and 0 mm valve clearance

Engine assy,cylinder block,crankcase > < Engine number