Symptom Related Diagnostic Procedures

C. Fault tracing, CI system

C1

General
The instructions in this section apply only if the engine is free from any mechanical or electrical faults. Correct octane fuel supplied by well known companies must he used.

The following points should always be checked before following the fault tracing procedures.

Mechanical
- compression valve clearances
- vacuum hoses and connections
- throttle control kick-down control (auto gearbox)
- air cleaner
- intake manifold (leakage).

Electrical
- spark plugs and HT leads
- distributor cap
- ignition coil
- timing (incl. ignition advance)
- all electrical connections.
- constant idle speed system (CIS)

Emission controls
- crankcase ventilation
- exhaust gas recirculation (EGR)
- evaporate control system
- airpump/Pulsair system
- Lambda-sond system
- catalytic converter

C2

Description:
Only the most common and easily detected fault symptoms are included in this section.

Perform a complete inspection of the CI system:
- if no faults are found when fault tracing
- if no easily detected symptoms are found
- if several components malfunction.