The Best 2005 Sunfire Check Engine Light Ideas. I have replaced the plugs, wires and coil pack and it still has no power and a rough idle. Whereas a steady check engine light may mean you merely need to tighten you gas cap next time you stop in order to reset the service.
When it came on i heard a rattling sound coming from the car, not very loud but noticable. Changed the coil pack, since in that car there is no wires, just one unit. I have replaced the plugs, wires and coil pack and it still has no power and a rough idle.
