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Misfire at idle
Posted to Technical Discussion Forum on 1/24/2012 44 Replies

Hi all,

I'm having trouble finding the cause of an idle misfire on this vehicle. Customer brought it to us after replacing spark plugs and wires to try and cure a misfire at idle. CEL is also on with a P0300 DTC.

The vehicle has also been at another shop w... Login to read more.

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car Vehicle Data

2000 Buick Century Custom 3.1L

Engine3.1 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

2000 Buick Century Custom 3.1L

Engine3.1 L
Trans4-speed Automatic (Electronic)