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What would cause your cadillac to smoke only after it has warmed up?
Wiki User
∙ 14y ago
depends on many things...
white smoke is burning coolant = head gasket
black smoke is burning oil + many possible issues.
get your car checked out before you start over heating, then youll need to buy a new motor.
Do you smell coolant? a rather sweet smell,,, My 00 catera smoked when it warmed up i thought it was headgasket but it didn't overheat so i got it looked at turned out to be what they call a (heater control valve) its relativly simple and minor repair mine still smoked after i fixed it but then i cut the resons off and put a new muffelr (apc) and it stoped (i guess the coolant stays in there until eventualy burning off.....but now im having a problem with it running rough until its warmed up at only 86 551 miles on it i hope i got a good catera not a lemon like many people seem to have lol
may also be egr valve if its not a lot of smoke
Wiki User
∙ 14y ago
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