Engine-Codes - Volkswagen - P0300 Volkswagen

P0300 Volkswagen Code - Random Cylinder Misfire Detected

- Code Popularity: 150,933 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

What are the Possible Causes of the Code P0300 Volkswagen?

  • Faulty spark plug (s)
  • Faulty ignition coil (s)
  • Clogged or faulty fuel injector (s)
  • Intake air leak
  • Fuel injectors harness is open or shorted
  • Fuel Injectors circuit poor electrical connection
  • Ignition coils harness is open or shorted
  • Ignition coils circuit poor electrical connection
  • Insufficient cylinders compression
  • Incorrect fuel pressure

How to Fix the P0300 Volkswagen Code?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Code P0300 Volkswagen Tech Notes

The P0300 code means that a cylinder(s) is misfiring or is randomly misfiring. Start by checking for intake leaks, intake gaskets are a common cause of multi-cylinder misfiring. If no leaks are found the next step is to replace the spark plugs. If the problem persists more tests need to be done to diagnose the problem, see 'Possible Causes'.

User Submitted Video

What is the Cost to Diagnose the Code P0300 Volkswagen?

Labor: 1.0

The cost to diagnose the P0300 Volkswagen code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

Does your Volkswagen have Safety Recalls? → Check here

When is the P0300 Volkswagen Code Detected?

The control module monitors the crankshaft speed and has detected a misfire condition

What are Code P0300 Volkswagen Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Lack/loss of power
  • Hard start
  • Engine hesitation

What Does the P0300 Volkswagen Code Mean?

When a misfire occurs, engine speed will fluctuate. If the engine speed fluctuates enough to cause the Crankshaft Position (CKP) sensor signal to vary, the Engine Control Module (ECM) can determine that a misfire is occurring.

P0300 Volkswagen Code - Random Cylinder Misfire Detected

Need more Information on the P0300 Volkswagen Code?

Need more information on how to fix the P0300 Volkswagen code? Get Access to Factory Service Manuals

Need Help with the P0300 Volkswagen Code?

Get the P0300 Volkswagen code diagnosed by a professional: Find a repair shop in your area