Question about 2000 Buick LeSabre
I have a 2000 buick lesabre, light on dash states service engine soon, i took it to the garage they said there's nothing wrong. there's must be something wrong or the light wouldn't be on can you tell me what would cause this kaltery My service engine light is on and I was told the 02 sensor is bad. My service engine soon light is also on, but goes off when I start the car. However, when the car is started, sometimes it starts rough and puts out a tiny cloud of blue smoke.
Blue smoke on startup is generally from worn valve guides or bad stem seals on same (not really terrible as long as it stays the same) It will run rough for a minute 'till the oil in the cylinders is cleared out. Service engine light is pretty much on its own timer and does not mean anything but it's there to annoy you into going to the dealer. If O2 sensor was bad, it would eventually put the red check engine light on.
Posted on May 30, 2009
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Posted on Jan 02, 2017
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