P0320
Ignition/Distributor Engine Speed Input Circuit
P0320 is an OBD-II diagnostic trouble code meaning: Ignition/Distributor Engine Speed Input Circuit. Common causes: engine speed sensor malfunction, open or short circuit in wiring harness. Estimated repair cost: $22–111.
Symptoms
- Misfires
- Unstable idle
- Difficulty starting the engine
- Power Loss
- Increased fuel consumption
Causes
- Engine speed sensor malfunction
- Open or short circuit in wiring harness
- Poor connection or corroded contacts
- Ignition module malfunction
- Circuit Grounding Problems
How to Fix
- Check the integrity of the sensor wiring harness
- Check the connections and contacts of the sensor
- Check resistance and sensor signal
- Replace sensor if necessary
- Check and replace ignition module (if applicable)
Related codes
Error P0320 by Vehicle Brand
FAQ
What does the P0320 code mean?
P0320 is an OBD-II diagnostic trouble code that indicates: Ignition/Distributor Engine Speed Input Circuit
What causes a P0320 error code?
The most common causes of P0320 include: Engine speed sensor malfunction; Open or short circuit in wiring harness; Poor connection or corroded contacts; Ignition module malfunction.
How do I fix a P0320 diagnostic trouble code?
To fix P0320: Check the integrity of the sensor wiring harness. Check the connections and contacts of the sensor. Check resistance and sensor signal. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0320?
Limited driving only, diagnose soon
How much does it cost to fix P0320?
The estimated repair cost for P0320 is $22–111. Actual cost depends on your vehicle, location, and labor rates.
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