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2006 Volkswagen Golf GTI 1.8T 1.8L Poor Idle Quality, Misfire, lean
Posted to European Driveability on 10/2/2014 7 Replies

This vehicle is a problem child! Misfires and runs lean only on cold starts for maybe 60 sec. Once secondary air pump turns off it will run perfect. I have changed every thing that was backed up by failed tests. The last thing was smoke testing for vacuum leak...

7 Replies Received (View Replies)

  Related Documents & Media  2006 Volkswagen Golf GTI 1.8T

 
Message Closed w/FIX

car Vehicle Data

2006 Volkswagen Golf GTI 1.8T

VIN 9BWDE61J86
Engine1.8 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / mpfi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, Lean
OccursCold

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0300Multiple Misfire Detected
P0301Cylinder 1 Misfire Detected
P0302Cylinder 2 Misfire Detected
P0303Cylinder 3 Misfire Detected
P0304Cylinder 4 Misfire Detected
Message Closed w/FIX

car Vehicle Data

2006 Volkswagen Golf GTI 1.8T

VIN 9BWDE61J86
Engine1.8 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / mpfi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, Lean
OccursCold

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0300Multiple Misfire Detected
P0301Cylinder 1 Misfire Detected
P0302Cylinder 2 Misfire Detected
P0303Cylinder 3 Misfire Detected
P0304Cylinder 4 Misfire Detected