P0300 P0301 P0302 P0303 P0304 Engine Misfire Codes Explained
Автор: OBD Voice
Загружено: 2025-08-08
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In this video we explain the meaning behind engine codes P0300 P0301 P0302 P0303 and P0304.
These misfire codes can cause shaking loss of power and even damage to your catalytic converter if ignored.
P0300 means random or multiple cylinder misfires while P0301 to P0304 point to specific cylinders from 1 to 4.
We cover common symptoms such as rough idle hesitation flashing check engine light and stalling.
You will also learn the most common causes including worn spark plugs bad coils clogged fuel injectors low fuel pressure vacuum leaks and even weak battery connections.
We guide you on how to diagnose the problem step by step. Start with checking spark plugs and coils then fuel pressure and live data from your OBD2 scanner. If misfires jump between cylinders you are dealing with P0300.
A compression test can help separate mechanical from electrical problems.
Do not replace parts blindly. Diagnose properly and save time and money.
This guide will help you understand these codes and get your car running smoothly again. #obd2 #carrepair #checkengine #p0300 #p0301 #p0302 #p0303 #p0304 #misfire #cardiagnostics #checkenginelight #autorepair #mechanic #carfix #engineproblems #autotech
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