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1990 Cadillac DeVille 4.5L MIL Lamp on
Posted to GM Driveability on 7/14/2004 5 Replies

customer brought this cadillac in because of a service engine soon light coming on. the customer did some work on the car before it was brought to me. he found out it has a code 49 for an air management system problem. the car would also backfire & it expanded...

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  Related Documents & Media  1990 Cadillac DeVille

 
Message Closed w/Summary

car Vehicle Data

1990 Cadillac DeVille

VIN 1G6CD5337L
Engine4.5 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / SEFI
EmissionsFEDERAL EMMISSIONS
SymptomsMIL Lamp On
OccursAlways
Misc.Air Management

Trouble Codes

E49air management system problem
Message Closed w/Summary

car Vehicle Data

1990 Cadillac DeVille

VIN 1G6CD5337L
Engine4.5 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / SEFI
EmissionsFEDERAL EMMISSIONS
SymptomsMIL Lamp On
OccursAlways
Misc.Air Management

Trouble Codes

E49air management system problem