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1991 Volkswagen Jetta 2.0L Poor Idle Quality, Hesitation, Surge
Posted to European Driveability on 12/31/2007 17 Replies

Ok this has me stumped. Car original came in a few months back for surging idle, could not find any visible vaccum leaks after performing smoke test, did wire shake test nothing, fuel press was good. Adjusted fuel/air mixture screw and idle smoothed out custom...

17 Replies Received (View Replies)

 
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car Vehicle Data

1991 Volkswagen Jetta

VIN WVWTJ21G21
Engine2.0 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFI / CIS injection
EmissionsOBD1
SymptomsPoor Idle Quality, Hesitation, Surge
OccursCold, Hot, on Accel, Turning, Cruise, Idle
Message Closed

car Vehicle Data

1991 Volkswagen Jetta

VIN WVWTJ21G21
Engine2.0 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFI / CIS injection
EmissionsOBD1
SymptomsPoor Idle Quality, Hesitation, Surge
OccursCold, Hot, on Accel, Turning, Cruise, Idle