Question about 1991 Cadillac DeVille
The charging system is doing its job It seems to have an electrical short which is draining the batt. If u have the know how to ck & repair electrical shorts then go after it, if not, take it in.
Posted on Apr 07, 2017
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Posted on Jan 02, 2017
I have a 1994 Cadillac Eldorado and every time i start it the car has rough Idle and the Idle fluctuate's. I also can feel it in the gas pedal when the car is doing this I tried replacing the throttle body sensor but it still does it I also was told it was the Idle error sensor. So instead of spending the unecessary money again I thought I would go online and see if anyone could help me with this problem.
Posted on Oct 05, 2008
if it has over 40,000 miles on it change the drive belt and have the alternator tested and also make sure all of the vaccum lines are on and in place
Posted on Mar 06, 2009
Hi there. Sounds like it could be fuel pressure. Did you try unscrewing the cap on the fuel rail to see if fuel sprays out or just drips? I'd check that first..
Posted on Feb 16, 2010
SOURCE: I have a 1992 Fleetwood
2 possible causes:
1. you have dirt in the tank that's clogging the sump when the fuel gets agitated - leaving the engine stopped allows the dirt to go back on the bottom, unclogging the sump of the pump. The tank will have to be taken off the car, emptied and washed thoroughly.
2 - the wires powering the fuel pump go loose when heated and cut off the power - this is easy to test : when this happens just unhook the fuel line from one of the injectors and put the contact(no engine starting), it the pump is still working the fuel should gush out. Clean the contact with wire wool and crimp them a little more.
Posted on Nov 04, 2010
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