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P0300 Mitsubishi Code - Cylinder Misfire Detected Random Cylinders

- Code Popularity: 94,696 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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By AutoCodes.com - Updated Jun 14, 2020
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|Code P0300 Mitsubishi Possible Causes

  • 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 do I Fix the Code P0300 Mitsubishi?

Check 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.

Does your Mitsubishi have Safety Recalls? → Check here

|Code P0300 Mitsubishi 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 common caused of multi-cylinder misfiring. If no leak are found the next step is to replace the spark plugs. If the problem persists more tests needs to be done to diagnose problem, see "Possible Causes"

|What is the Cost to Diagnose the Code P0300 Mitsubishi?

Labor: 1.0

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

|When is the Code P0300 Mitsubishi Detected?

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

|What are Code P0300 Mitsubishi Possible Symptoms?

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

|Code P0300 Mitsubishi Description

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.

OBDII Code P0300 Mitsubishi - Cylinder Misfire Detected Random Cylinders - AutoCodes.com
P0300 Mitsubishi Code - Cylinder Misfire Detected Random Cylinders

|Need More Information on the P0300 Mitsubishi Code?

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

|Need Help with the P0300 Mitsubishi Code?

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

|Code P0300 Mitsubishi comments

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