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1990 Cadillac Seville 4.5L Excessive Emissions
Posted to GM Driveability on 4/5/1998

Hi Techs,

I have a '90 Cadillac Seville that won't pass our local emissions testing. The vehicle has high CO and HC emissions at idle and cruise(2500 rpm). I've disconnected the vapor cannister, checked fuel pressure, no codes stored in ECM. The local Cadilla...

  Related Documents & Media  1990 Cadillac Seville

 
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car Vehicle Data

1990 Cadillac Seville

VIN 1G6KS5332L
Engine4.5 L / 8 cyl
EmissionsFED
SymptomsExcessive Emissions
OccursAlways
Message Closed

car Vehicle Data

1990 Cadillac Seville

VIN 1G6KS5332L
Engine4.5 L / 8 cyl
EmissionsFED
SymptomsExcessive Emissions
OccursAlways