Car Problem Reports

Cadillac DeVille Check Engine Light Due to Gas Cap or Catalytic Converter

• Check Engine Light Due to Gas Cap Issue
  Illumination of the Check Engine Light can be caused by a loose or worn gas cap.

  Common Problems > Cadillac DeVille

• check engine light on code po443 evap emission system
  check engine light on code po443 evap emission system purge vent soleniod circuit condition. what does this mean.

  Q&A > Cadillac > 2000 Cadillac DeVille

• check engine light still on
  replaced evap soleniod near gas tank and the one on the intake also replaced gas cap. cleared...

  Q&A > Cadillac > 2000 Cadillac DeVille

• Check Engine Light Due to Intake Manifold Vacuum Leaks
  An intake manifold vacuum leak can develop from a variety of sources, often causing illuminatio...

  Common Problems > Cadillac DeVille

• I changed out the fuel pump on my 2004 cadilac deville now the service engine
  the car quit had to replace the whole fuel pump. since then the service engine light is on. i h...

  Q&A > Cadillac > 2004 Cadillac DeVille