Provly a failn fuel pump or idleair issue. Alternator cud b worn or fanbelt loose. Buya repairbook for that model
There are actually several possible causes for the engine to sputter. It is possible for there to be a vacuum leak, a faulty oxygen sensor, a catalytic converter that is starting to show signs of failure, or even a possible problem in the fuel system.Nov 17, 2016
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Car sputters and has weak power after new spark plugs and...
SOURCE: my car is sputtering and a spark plug came out
I have a 1990 Buick Century with 3.3 v6. My car would sputter and the check engine light would come on and off while driving and the car would die when I came to a stop and tried to take off. I noticed my cooling fan turning on and off even when the car was not up to temp, and that is when the check engine light would come on. I changed the temp sensor and all is well.
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