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1990 Cadillac DeVille 4.5L Excessive Emissions
Posted to GM Driveability on 5/5/2000

THIS VEHICLE FAILS HC & CO EMISSIONS. SCOPED IGN SYSTEM AND MAX COIL OUTPUT. LOOKS [...] PRES. IS IN [...] PURGE HOSE AND PCV. NO [...] SMOG PUMP, IT WAS NOT PUMPING AIR, REPLACED PUMP AND MADE NO CHANGE,THIS SYSTEM BYPASSES THE AIR TO THE CATALYTIC CONVERTOR ...

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car Vehicle Data

1990 Cadillac DeVille

VIN 1G6CD5336L
Engine4.5 L / 8 cyl
EmissionsUS FED
SymptomsExcessive Emissions
OccursAlways
Message Closed

car Vehicle Data

1990 Cadillac DeVille

VIN 1G6CD5336L
Engine4.5 L / 8 cyl
EmissionsUS FED
SymptomsExcessive Emissions
OccursAlways