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1992 Cadillac Seville: running rich..shake..hesitate..bad spark plugs…

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I have a 1992 Cadillac...
I have a 1992 Cadillac Seville, the engine is running rich and starts to shake or hesitate, what could this be caused by? Could it just be bad spark plugs, the car was running perfect, and it just started all of a sudden
Submitted: 8 years ago.Category: Cadillac
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Answered in 1 day by:
6/16/2010
Cadillac Mechanic: al-mod,
 replied 8 years ago
al-mod
Category: Cadillac
Satisfied Customers: 20
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