Ignition system

WARNING: This page is about a different car, the 2006 Audi A4, 2005 Audi A4, 2004 Audi A4, 2003 Audi A4, and 2002 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

DIAGNOSTIC TROUBLE CODE P0300-P0354

SAE-DTC	DTC text	Corrective action
P0300	Random/Multiple Cylinder Misfire Detected	Check fuel injectors. See FUEL INJECTORS, CHECKING . Check ignition coils with power output stages. See IGNITION COILS WITH POWER OUTPUT STAGES, CHECKING .
P0301	Cylinder 1 Misfire Detected
P0302	Cylinder 2 Misfire Detected
P0303	Cylinder 3 Misfire Detected
P0304	Cylinder 4 Misfire Detected
P0321	Ignition/Distributor Engine Speed Input Circuit Range/Performance	Check Engine Speed (RPM) Sensor -G28-. See ENGINE SPEED (RPM) SENSOR -G28-, CHECKING .
P0322	Ignition/Distributor Engine Speed Input Circuit No Signal
P0324	Knock Control System Error	Check knock sensors. See CHECK KNOCK SENSORS .
P0327	Knock Sensor 1 Circuit Low
P0328	Knock Sensor 1 Circuit High
P0332	Knock Sensor 2 Circuit Low
P0333	Knock Sensor 2 Circuit High
P0340	Camshaft Position Sensor "A" Circuit, Bank 1 or Single Sensor	Check Camshaft Position (CMP) sensor. See CAMSHAFT POSITION (CMP) SENSOR -G40-, CHECKING .
P0341	Camshaft Position Sensor "A" Circuit Range/Performance, Bank 1 or Single Sensor
P0342	Camshaft Position Sensor "A" Circuit Low, Bank 1 or Single Sensor
P0343	Camshaft Position Sensor "A" Circuit High, Bank 1 or Single Sensor
P0351	Ignition Coil "A" Primary/Secondary Circuit	Check ignition coils with power output stages. See IGNITION COILS WITH POWER OUTPUT STAGES, CHECKING .
P0352	Ignition Coil "B" Primary/Secondary Circuit
P0353	Ignition Coil "C" Primary/Secondary Circuit
P0354	Ignition Coil "D" Primary/Secondary Circuit