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1979 Cadillac DeVille 5.7L Failed Smog
Posted to GM Driveability on 6/27/2001 2 Replies

please help this car came in for a smog test and it fails on the 15 mph test by 5%rich can anyone out there tell me what i should be checking or what i am over looking this cad is a gas motor 5.7 well that is all i can think of for right nows thanks

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  Related Documents & Media  1979 Cadillac DeVille

 
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car Vehicle Data

1979 Cadillac DeVille

VIN 6L57B9E666
Engine5.7 L / 8 cyl / DIESEL
Trans3-speed Automatic
DeliveryFI / SEFI
Emissionscalif emissions
SymptomsFailed Smog
Occurs5%Rich at 15Mph
Message Closed

car Vehicle Data

1979 Cadillac DeVille

VIN 6L57B9E666
Engine5.7 L / 8 cyl / DIESEL
Trans3-speed Automatic
DeliveryFI / SEFI
Emissionscalif emissions
SymptomsFailed Smog
Occurs5%Rich at 15Mph