Question about 1999 Cadillac DeVille
Check the compression
and remove some spark plugs and then crank if water comes out then there's your problem. If water is present remove plugs and crank for 10 -15 second intervals with one minute breaks to remove water.
Did you resurface the cylinder heads? If not (brace your self) you should redo the job and have the heads resurfaced.
As an alternative you could try some Blue Devil block sealer but it's definitely not a permanent fix.
If no water comes out and compression is good, check for spark and for fuel. You can check for spark by removing a plug wire, inserting a screwdriver (one with a thick rubber/plastic handle) and hold the metal part of the screwdriver about 1/2" away from some metal piece on the engine, when you crank the engine you should see a spark.
Check for fuel with a fuel pressure tester and put a test light on one of the injectors, it should blink momentarily.
By doing these things you will be directed to the next steps.
Posted on Jan 06, 2010
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