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1999 Volkswagen Jetta GLS 2.0L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Misfire, Poor Fuel Economy, MIL Lamp on
Posted to European Driveability on 6/27/2005 9 Replies

This 1999 Jetta idles rough, shows misfire codes on #1 & #4 cylinders. Engine load shows 46% at idle but when part throttle is applied drops to 21% engine clears up and runs good over 3500 RPM. Spark ok, Compression ok, fuel pressure ok plugs not fouled. Has h...

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  Related Documents & Media  1999 Volkswagen Jetta GLS

 
Message Closed w/FIX

car Vehicle Data

1999 Volkswagen Jetta GLS

VIN 3VWSC29M6X
Engine2.0 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / motronic m5.9.2 atv01
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts Out, Misfire, Poor Fuel Economy, MIL Lamp On
OccursCold, Hot, on Decel, on Accel, Idle

Trouble Codes

16684random misfire detected
16685cylinder 1 misfire
16688cylinder 4 misfire
Message Closed w/FIX

car Vehicle Data

1999 Volkswagen Jetta GLS

VIN 3VWSC29M6X
Engine2.0 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / motronic m5.9.2 atv01
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts Out, Misfire, Poor Fuel Economy, MIL Lamp On
OccursCold, Hot, on Decel, on Accel, Idle

Trouble Codes

16684random misfire detected
16685cylinder 1 misfire
16688cylinder 4 misfire