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Safety precautions for the Motronic system > < Checking ignition system
Motronic Injection and Ignition System (4 cyl.)
Checking ignition system
Technical data for ignition system

Engine code letters

ADP

Engine speed sender

Resistance approx. 450 ... 1000 ohm

Notes:
▪Ignition timing is determined by the control unit.
▪Ignition timing cannot be adjusted.

Basic setting of distributor*
Display value on V.A.G. 1551 in function 04, "Basic setting, Display group 17, Display zone 3"

Test value 0 ± 12o

Setting: 0 ± 3o

Spark plugs
(tightening torque 30 Nm)

Part no.101 000 033 AF101 000 051 AA

NGK BKUR 6 ETBOSCH F7 LTCR

Electrode gap

0.7 ... 0.9 mm0.9 ... 1.1 mm

Firing order

1-3-4-2

Spark plug connectors

4 ... 6 kohm

Suppresser

0.6 ... 1.4 kohm

Engine speed limitation by Motronic system
Shut-off engine speed


6500 / min

    *)    Testing and adjusting basic setting .

Engine code letters

ADR

Engine speed sender

Resistance approx. 450 ... 1000 Ohm

Notes:
▪Ignition timing is determined by the control unit.
▪Ignition timing cannot be adjusted.

Spark plugs
(tightening torque 30 Nm)

Part no.101 000 033 AF101 000 051 AA

NGK BKUR 6 ETBOSCH F7 LTCR

Electrode gap

0.7 ... 0.9 mm0.9 ... 1.1 mm

Firing order

1-3-4-2

Spark plug connectors

Resistance approx. 2 kohm

Engine speed limitation by Motronic system
shut-off engine speed


6800 rpm

Engine code letters

AEB

Engine speed sender

Resistance approx. 1.0 kohm

Notes:
▪Ignition timing is determined by the control unit.
▪Ignition timing cannot be adjusted.

Spark plugs
(tightening torque 30 Nm)

Part no.101 000 033 AB101 000 051 AB

NGK BKUR 7 ETBOSCH F6 LTCR

Electrode gap

0.7...0.9 mm

Firing order

1-3-4-2

Spark plug connectors

Resistance approx. 2 kohm

Engine speed limitation by Motronic system
shut-off engine speed


6800 rpm

Safety precautions for the Motronic system > < Checking ignition system