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loss of power - surging when hot

7 messages,  Last post on Nov 10, 2009 at 7:37 PM

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#4 of 7 Cadillac Deville 1992-Problem shutting off-addtional information by cadga50 Aug 22, 2009 (6:34 pm)
I forgot to add that I also replaced the oil sending unit on my Cadillac, which had no effect on the problem. Replies to this message: helpman230 (Nov 10, 2009 7:16 pm) helpman230 (Nov 10, 2009 7:37 pm)
#5 of 7 Same Problem with 1992 Caddy Deville by johnm316 Sep 05, 2009 (9:01 am)
My wife has a Caddy with the same surgeing problems after it warms up, but not all the time just every now and then. I just had a full tune up done on the car, fuel filter, oil filter, pcv valve, spark plugs, the works, and the problem has gotten worse. Does anyone in this forum know what the heck the problem is?
#6 of 7 Re: Cadillac Deville 1992-Problem shutting off-addtional information [cadga50] by helpman230 Nov 10, 2009 (7:16 pm)
Replying to: cadga50 (Aug 22, 2009 6:34 pm) 1992 Cadillac Shut off problem. You should clean all electrical grounds wires connection points with WD-40. These ground wires are connected to the battery minus (-) or negative terminal and the other end of these wires are connected to both metal front fenders and also. removed the negative or minus (-) wire which one end of this wire is connected to the metal surface of the engine and the other end of this wire is connected to the negative terminal (-) of the battery. Remove and clean both connected surfaces of these wire. You should also clean the metal surface of the alternator that is making contact with the metal part of the engine. There is a good Cadillac repair guy in Brooklyn New York (NYC) who can repair your car. A friend of mine had a Chevy car that did the same. The problem was the main big black ground (-) negative wire from the battery, it had a dirty connection where it was connected to the engine.
#7 of 7 Re: Cadillac Deville 1992-Problem shutting off-addtional information [cadga50] by helpman230 Nov 10, 2009 (7:37 pm)
Replying to: cadga50 (Aug 22, 2009 6:34 pm) 1992 Cadillac Shut off problem. You should clean all electrical grounds wires connection points with WD-40. These ground wires are connected to the battery minus (-) or negative terminal and the other end of these wires are connected to both metal front fenders and the main battery ground minus (-) or negative big black wire. Removed the negative or minus (-) wire which one end of this wire is connected to the metal surface of the engine and the other end of this wire is connected to the negative terminal (-) of the battery. Remove and clean both connected surfaces of the wire. You should also clean the metal surface of the alternator that is making contact with the metal part of the engine. There is a good Cadillac repair guy in Brooklyn New York (NYC) who can repair your car. A friend of mine had a Chevy car that did the same thing. The problem was the main big black ground (-) negative wire from the battery. it had a dirty connection where it was connected to the engine. This Chevy car use to also loose power and shut off. He had replace fuel pump fuel filter and two computer diagnoses from two different auto repair shops indicated it was the air flow meter that was creating the engine loosing power and shutting off sometimes. Again the problem was cause by the main big black negative (-) wire from the battery and where the other end of this wire was connect to the metal surface of the engine was where the problem was coming from.

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