| The cars fuel consumption is on about 6 miles per gallon. Copyright ©2003-2017 http://www.sured.info | Have the carburetor adjustment checked. At the tank, check the fuel pipeline as well as the ventilation for leakages. Copyright ©2003-2017 http://www.sured.info | Cadillac Big Block 472 |
| The power steering works fine when turning right, but has no power when turning left. The power steering pump was replaced. Copyright ©2003-2017 http://www.sured.info | The power steering rack is faulty. Copyright ©2003-2017 http://www.sured.info | Cadillac Deville Northstar |
| While driving, every time an electrical device is turned on, like heater or headlights, the engine starts to misfire and loses power. When the device is turned off again, the problem is gone. After replacing the alternator, the problem was gone for about 50 miles. Copyright ©2003-2017 http://www.sured.info | It is a poor ground connection. Copyright ©2003-2017 http://www.sured.info | Cadillac DeVille 4.9 |
| When traveling with about 40 to 50 mph, the information center would state: Emissions System Problem, then the check engine light would come on and the engine dies. It restarts after trying 3 to 4 times and runs rough for a short period. The next day, the check engine light would go out and the car runs fine until the next time. Copyright ©2003-2017 http://www.sured.info | The fuel pump or the ECU are defective. Copyright ©2003-2017 http://www.sured.info | Cadillac Seville STS |
| When the car runs quite hot or the area is getting more hilly, the car would have to be stopped and rest before going further, as the engine is flooding. After resting for 10 or 15 minutes the car would run and make it for some more miles. Copyright ©2003-2017 http://www.sured.info | Check the mechanical fuel pump, which supplies the fuel to the injector pump. Get a compression check done. If both do not result in anything, the main injector pump might be defective. Copyright ©2003-2017 http://www.sured.info | Cadillac Fleetwood Diesel |