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International Automotive Technicians Network
1993 Cadillac DeVille 4.9L Excessive Emissions
Posted to GM Driveability on 8/18/2004 5 Replies

This Caddy came in with a complaint of "Runs rough-idles rough, down on power". The throtle actuator was causing the engine RPM to surge. The TPS was replaced because of varying closed throtle voltage reading (.45-.8 V). Then the throtle body was serviced (ver...

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  Related Documents & Media  1993 Cadillac DeVille

 
Message Closed w/FIX

car Vehicle Data

1993 Cadillac DeVille

VIN 1G6CD53B3P
Engine4.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
SymptomsExcessive Emissions
OccursAlways
Message Closed w/FIX

car Vehicle Data

1993 Cadillac DeVille

VIN 1G6CD53B3P
Engine4.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
SymptomsExcessive Emissions
OccursAlways