Error code P0320 is displayed and the check engine light is on - what does this mean?
The OBD/EOBD system has detected a fault in the ignition system, more specifically a problem with the ignition distributor signal or the crankshaft sensor circuit. This DTC P0320 indicates that the control unit is not receiving a proper signal from the ignition distributor or crankshaft sensor. This fault code may have slightly different names for different manufacturers, but always refers to problems with ignition pulse detection.
What causes can this fault code have?
- Defective crankshaft sensor
- Damaged ignition distributor
- Broken or corroded cable connections
- Loose or dirty plug connections
- Defective ignition coil
- Faulty wiring to the control unit
- Worn ring gear on the crankshaft
- Defective engine control unit
- Incorrect ignition setting
- Mechanical problems with the ignition distributor
What symptoms occur in parallel with fault code P0320?
- Starting problems: The vehicle is difficult to start or does not start at all
- Engine misfires: Unsteady idling and jerking engine while driving
- Power loss: Noticeable reduction in engine power
- Stalling: Engine stalls while driving or idling
- Increased fuel consumption: Poorer fuel efficiency due to incomplete combustion
- Black smoke: Dark exhaust fumes from the exhaust pipe
How to fix trouble code P0320?
- Repairing trouble code P0320 requires a systematic diagnosis of the ignition system.
- Replace crankshaft sensor: Remove sensor, install new sensor and align correctly, then carry out basic adjustment
- Repair or replace ignition distributor: Remove complete ignition distributor, overhaul or replace with new one, then check ignition setting
- Check and repair wiring: Measure all cable connections from the sensor to the control unit, replace damaged cables and clean contacts
- Clean plug connections: Disconnect all relevant plugs, clean with contact spray and reconnect firmly
- Replace ignition coil: Identify defective ignition coil, remove and replace with new one, while also checking ignition cables
- Update control unit software: Connect vehicle to diagnostic unit and install available software updates
FAQ - Frequently asked questions about DTC P0320
Can I continue driving with fault code P0320?
Continuing to drive with fault code P0320 is not recommended, as the engine can stall at any time. This represents a considerable safety risk, especially in road traffic. A repair is urgently required as soon as possible.
How much does it cost to repair fault code P0320?
The repair costs for EOBD code P0320 vary depending on the cause: crankshaft sensor 80-150 euros, ignition distributor 200-400 euros, wiring 100-250 euros. The diagnosis costs an additional 50-100 euros.
Can I repair fault code P0320 myself?
Simple work such as cleaning plug connections or checking cables can be carried out by non-professionals. However, replacing the crankshaft sensor or ignition distributor requires specialist knowledge and special tools, so a workshop should be consulted.
How long does it take to repair code P0320?
The repair time depends on the cause: Simple cable repairs 1-2 hours, crankshaft sensor replacement 2-3 hours, complete ignition distributor replacement 3-5 hours including basic adjustment.
Does error code P0320 occur more frequently in certain vehicles?
Yes, this DTC occurs particularly frequently in older vehicles with ignition distributors. Modern vehicles with single-spark ignition are less frequently affected, but can still have problems with the crankshaft sensor.
What happens if I ignore error code P0320?
Ignoring code P0320 can lead to serious engine damage. Incomplete combustion can damage the catalytic converter and unpredictable stalling significantly increases the risk of accidents.
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