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Vw passat misfire code p0305

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Old 04-27-2020, 04:41 PM
altersherman's Avatar
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Default Vw passat misfire code p0305

Hi my name is Alter Sherman live in Hesperia CA I'm 45 years old and have a VW Passat 2013 2.5 bought it with 50,000 miles on it.
 
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Old 04-27-2020, 04:44 PM
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Has anyone had a problem with there VW Passat 2013 2.5 code reader p0305. Changed spark plugs and coils MAP sensor PCV valve and still getting p0305 currently changing oil.
 
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Old 04-28-2020, 08:53 AM
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Welcome to the forum.

Its nice to see you made an intro on your own.

Please tell us your car spec in your signature


VAG Error Code: 16689/000773
EOBD II Error Code: P0305

Fault Location:
Cylinder 5 - Misfire Detected

Possible Cause:
Malfunction Indicator Lamp (MIL)(K83) active.
Lack/loss of power.
Hard start.
Engine hesitation.

Wiring/Connector(s).
Ignition system.
Fuel injectors.
Fuel pressure.
Running out of fuel.
EVAP canister purge valve.
Evaporative emission system.
Low compression.
Base engine problems.
Engine Control Module (ECM) damaged.

Possible Solutions:
Check/Replace all faulty Wiring/Connector(s).
Do a compression test.
Read Measuring Value Blocks (MVB) 15 if misfire changes location.

Special Notes:
This feature search for engine misfire in a specific cylinder. Most of the time the cause for a misfire is a lack of combustion in a cylinder due to absence of spark, poor fuel metering, or poor compression.

Tech Notes:
The P0305 code means that the cylinder 5 is misfiring or is randomly misfiring. Start by checking for intake leaks an if no leaks are found the next step is to replace the spark plugs on cylinder 5. If the problem persist more tests needs to be done to diagnose problem.

Description:
When a misfire occurs, engine speed will fluctuate. If the engine speed fluctuates enough to cause the Engine Speed (RPM) Sensor (G28)/Crankshaft Position Sensor (G28) signal to vary, the Engine Control Module (ECM) can determine that a misfire is occurring.

As taken from my new EOBD II Fault Codes Software
 

Last edited by Keithuk; 04-28-2020 at 08:55 AM.
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