Скачать или смотреть What Does DTC P0300 Mean? Random/Multiple Cylinder Misfire Detected

This video will help you determine the meaning of Diagnostic Trouble Code P0300.

This video will help you determine the meaning of Diagnostic Trouble Code (or DTC) P0300.
P0300: Random/Multiple Cylinder Misfire Detected

Possible P0300 signs & symptoms:
Check engine light
Rough running/idling
Lack of power
Hesitation/jerking
Dying at stops
Poor fuel economy

Possible P0300 causes:
Spark plugs: https://orly.cc/415o6PL
Ignition wires: https://orly.cc/46UeyKC
Ignition coils: https://orly.cc/44TAaUL
Distributor cap and rotor (if applicable): https://orly.cc/46mp6SK
Ignition timing
Vacuum integrity
Fuel pressure
Exhaust gas recirculation (EGR) system
Mass airflow (MAF) sensor: https://orly.cc/46E0sx5
Crankshaft position sensor: https://orly.cc/3GMULlQ
Camshaft position sensor: https://orly.cc/4jOynHf
Valve(s)
Head gasket: https://orly.cc/3IWOdS4


0:00 Welcome Back
0:30 Cylinder Misfire Diagnostic
0:50 Possible Cylinder Misfire Issues
1:20 P0300 Possible Signs & Symptoms
1:30 Driving Recommendation
2:00 Additional Diagnostics

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Cylinder Misfire Diagnostic P0399
Engine Cylinder Code Misfire Diagnostic
Faulty Spark Plug Engine Cylinder Repair
Compression Test Engine Coils P0399

Hey everybody— Renée here from O’Reilly Auto Parts to talk to you about a common diagnostic trouble code, or DTC. Today, the code I’ll be talking about is P0300 (P zero three zero zero).
If you haven’t stopped by a store for a free O’Reilly Veriscan diagnostic test, it’s a simple way to get a full readout and recommendations that could help with diagnosis and repair.
Technically speaking, OBD-II fault code P0300 means “Random or Multiple Cylinder Misfire Detected”.
In practical terms, a misfire is when a cylinder fails to produce power or combustion doesn’t occur because of a lack of spark, fuel, or compression.
Since this code indicates one or more misfiring cylinders, you’ll typically see it in conjunction with a code or codes indicating specifically which of your cylinders are misfiring.
There are several potential causes for a misfire code, including issues with:
Spark plugs, ignition wires or coils, a damaged or worn distributor cap and rotor (if applicable), inaccurate ignition timing, poor vacuum integrity or fuel pressure, your EGR or exhaust gas recirculation system, mass air flow sensor, crankshaft or camshaft sensors, throttle position sensor, or engine components like a failing valve or head gasket.
Besides a Check Engine light, you may also notice rough running or idling, lack of power, hesitation or jerking when you accelerate, dying at a stop, or reduced fuel economy.

Whether you notice any symptoms or not, it is not recommended that you drive a vehicle with a misfire code or codes until the problem is diagnosed.
Your vehicle may still run, but driving has the potential to make the problem worse or cause damage to other systems.
Since the cause of a misfire code can vary from one vehicle to the next, we recommend starting with an O’Reilly VeriScan report.
This report will also show related codes and help you determine which of your cylinders is misfiring.