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When I hook it up to the computer it says that I have a misfire in cylinder 2. What could cause this?
Vehicle: 1999 Pontiac Grand Am 4 cylinder

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HI there,

There can be several reasons for a misfire to appear. The best is just a worn out spark plug. It can also be a problem with the coil, the fuel injector, a internal engine issue or a problem with a leaking intake manifold gasket. All of these items has to be eliminated

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