0988

Ignition coil primary current of cylinder 4 alternates between too high and too low. (P0354)


Possible cause:

- Primary current
Affected functions:

- Engine running

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Test 1: Check component T1/x (ignition coil(s)).

1. Check component T1/x (ignition coil(s)).

Test 1.1: Check component T1/4 (ignition coil cylinder 4).

1.1. Check component T1/4 (ignition coil cylinder 4).
Warning!Hazard as a result of high voltage at the ignition system!

- Electronic ignition systems operate within a hazardous power range both at the low voltage side (primary circuit) as well as on the high voltage side (secondary circuit).
- Contacts with such parts can result in burns, heart flutter or cardiac arrest.
Rules of conduct and protective measures

- Persons with heart pacemakers must not perform any work on the ignition system.
- Switch off the ignition when performing work on the ignition system.
- Do not touch any parts of the ignition system when starting the engine or when the engine is running.
- Wear protective shoes with rubber soles.
- Do not install any uninsulated adapters into the ignition cables.


1.1. No further information available.