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1983 Cadillac DeVille 4.1L Excessive Emissions
Posted to GM Driveability on 7/17/2012 13 Replies

Hello dear iatn members, i'm stuck with this classic american icon,it happened that the car failed the ca. Smog inspection with high nox and hc emissions, fuel pressure is good, 15 psi, specs are 10 psi, any way, oxigen sensor was switching very slow, egr valv...

13 Replies Received (View Replies)

  Related Documents & Media  1983 Cadillac DeVille

 
Message Closed w/FIX

car Vehicle Data

1983 Cadillac DeVille

VIN 1G6AD4787D
Engine4.1 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFuel Injection / TBI
EmissionsCALIFORNIA EMISSIONS
SymptomsExcessive Emissions
OccursCruise
Misc.High NOx

Trouble Codes

52Ecm memory reset indicator
Message Closed w/FIX

car Vehicle Data

1983 Cadillac DeVille

VIN 1G6AD4787D
Engine4.1 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFuel Injection / TBI
EmissionsCALIFORNIA EMISSIONS
SymptomsExcessive Emissions
OccursCruise
Misc.High NOx

Trouble Codes

52Ecm memory reset indicator