Question about 2004 Cadillac Deville
There could be many problems with car, or no problems at all. A check engine light sometimes comes on just because there is a wire shortage. Other times there could be a problem. It is best to take it to a mechanic to do further diagnostic tests.
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Posted on Dec 12, 2012
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Posted on Jan 02, 2017
sound like the overheating of the engine did some internal damage. ethier an intake or head gasket or maybe even a warped or cracked head. worse case senero would be a cracked block. check the oil see if it looks milky like a grey sludge. most likely it is a head gasket. have a leak down test preformed to confirm. the labor for the head gaskets is 9 hours for 1 or 11.5 for 2. I would replace both and have the mechanic check the heads and block for cracks while he has it apart.
Posted on Jan 04, 2009
i have 2000 cadillac deville runs really good it has a po340 engine code runs good b when i come to a complete stop the engine idles up and down only at a complete stop what do i need to do
Posted on Oct 28, 2009
Check out this thread and take your Caddy for a couple of Wide Open Throttle runs on the Interstate. Clears out the carbon buildup on the rings that is causing oil blowby.
Posted on Jan 02, 2010
I have a 95 eldorado that is starting hard and idling rough. Also noticed gas pedal fluctuating. I have been told it is the Fuel Pressure Regulator. Does that sound reasonable?
Posted on Jul 09, 2010
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