Ignition System Specifications (Audi 80 B3)

Table of contents: System type ↓ Distributor ↓ Ignition coil ↓ Spark plugs ↓ Ignition timing angle ↓ Tightening torque, Nm ↓

System type

KV engine, and 1.6/1.8 liter engines - Transistor coil ignition system (TCI-H)

Engine ZA - Ignition system Motronic

PS and NG engines - Fully Contactless Ignition (FEI)

Engine 7A - Ignition System MPI

Distributor

Direction of rotation of the runner - Clockwise

The order of operation of the cylinders:

4-cylinder engines - 1-3-4-2 (No. 1 from toothed belt drive)
5-cylinder engines - 1-2-4-5-3 (No. 1 from toothed belt drive)

Distributor rotor resistance:

Motor 7A - 1000 Ohm
All other motors - 600-1400 ohms

Ignition coil

Primary winding resistance:

KV engine, and 1.6/1.8 liter engines - 0.52-0.76 Ohm
Motors ZA, PS and NG - 0.5-1.5 Ohm
Motor 7A - About 0-1.0 Ohm

Secondary winding resistance:

KV engine, and 1.6/1.8 liter engines - 2400-3500 Ohm
Motors ZA, PS and NG - 500-9000 Ohm
Motor 7A - 6500-8000 Ohm

High voltage wiring resistance:

Ignition Coil Connector - 600-1400 Ohm
Spark plug cap - 4000-6000 Ohm

Spark plugs

Engine:

RN - Champion N9BYC or N9YCC
DZ, NE, PM, RU, JN, PS, NG, FOR, KV - Champion N7BYC or N7YCC
7A — Champion C6BYC or C6YCC

Interelectrode gap (all models) — 0.8 mm

Ignition timing angle

Engine	Vacuum hoses are connected	Installation
RN	Yes	18°±1° before TDC at 950±50 rpm
NE	Yes	18°±1° before TDC at 950±50 rpm
RU	Yes	18°±1° before TDC at 950±50 rpm
DZ	No and yes	With leaded petrol 6°±1° BTDC at 800-1000 rpm; With unleaded petrol 0°±1° at 800-1000 rpm
RM	No and yes	6°±1° before TDC at 950 (maximum) rpm
JN	No and yes	6°±1° before TDC at 900±50 rpm
FOR	—	6°±1° before TDC at 780-900 rpm
NG	—	15°±1° before TDC at 720-860 rpm
PS	—	18°±1° before TDC at 750-850 rpm
KV	Yes	18°±1° before TDC at 800±50 rpm
7A	—	TDC static