Question about 1990 Cadillac Eldorado
Use cars driver info center to access engine data,scroll thru to engine/coolant temp. If temp is way off, such as you get heat from your vents but engine temp is 50,you have found the cause. coolant temp sensor is the engine computers "choke", rich cold,lean hot, etc.
Posted on Mar 18, 2009
Take it to an Autozone or O'Reillys and they will test the computer for you. It should have set a code, but you don't know if the code light works so its your best bet. Sounds like it is running rich and the crankshaft module is not advancing the timing.
Posted on May 11, 2009
Black smoke is from oil burning through the exhaust. It sounds like the rings are shot since a lost of power is your problem. If power was not an issue it would be a bad valve seal
Posted on May 09, 2010
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