Causes and Fixes P0303 Code: Cylinder 3 Misfire Detected

How to fix P0303 Code: Cylinder 3 Misfire Detected
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An engine misfire is when a cylinder has an incomplete combustion ignition or has no combustion in the cylinder.
Each cylinder needs the correct air-fuel mixture and Spark to complete combustion.
If the vehicle only has a P0303 Code, then the components on that cylinder should be tested.
A cylinder's individual components would include the coil, injector, spark plug, and spark plug wire.
If there are other engine codes, then there may be other issues.
For example, multiple misfire codes (P0300) can be caused by low fuel pressure, bad sensors, vacuum leak, and more.

Possible Causes of a P0303 Code
Bad Spark Plug or Spark Plug Wire
Bad Coil
Bad Fuel Injector
If Equipped, Distributor Cap

How to Troubleshoot a P0303 Code:
The main things to check for is Spark and Fuel on the Cylinder #3.
Locate Cylinder #3
Check Spark Plug Wires and Coil
Check for Spark
Check Spark Plug
Check Fuel Injector Wiring
Test Fuel Injector

By using this information user assumes all risk of use.