Скачать или смотреть What Do DTCs P0301 through P0312 Mean? Cylinder Misfire Detected

This video will help you determine the meaning of Diagnostic Trouble Codes (or DTCs)
P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308, P0309, P0310, P0311 and
P0312.

P0301 to P0312: Cylinder Misfire Detected

Possible P0301 to P0312 signs & symptoms:
Check engine light
Rough running/idling
Lack of power
Hesitation/jerking
Dying at stops
Poor fuel economy

Possible P0301 to P0312 causes:
Spark plugs: https://orly.cc/415o6PL
Ignition wires: https://orly.cc/46UeyKC
Coils: https://orly.cc/44TAaUL
Distributor cap and rotor (if applicable): https://orly.cc/46mp6SK
Ignition timing
Vacuum integrity: https://orly.cc/44ZmYOs
Fuel pressure
EGR system
Mass airflow 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
0:35 Cylinder Misfire Diagnostic
0:55 How to Read Diagnostic Codes
1:05 Possible Cylinder Misfire Issues
1:28 Possible Signs & Systems
1:38 Driving Recommendation

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Easily Diagnose Your Cylinder Misfire P0304 - P0312
How To Fix Ignition Misfire Trouble Shoot Codes
DIY Repair Check Engine Light Codes

Today, the codes I’ll be talking about are P0301 through P0312 (P zero three zero one – P zero three one two).
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 codes ranging from P0301 through P0312 indicate that a cylinder misfire is detected in one or more cylinders.
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.
When you see one of these codes, the last two digits of the code will correspond with the cylinder that’s misfiring. For example, P0301 would indicate cylinder 1, P0302 would be cylinder 2, P0303 is cylinder 3, and so on.
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.