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It was posted when steveSiS had the same problem. It's either due to the piston rings being too close to the top of the piston or software flaw allowing spark plug fire at the wrong time. Someone speculated that the piston ring height was modified for emissions. I traded my viggen in saturday night. I just hope the salesmen don't run the car hard while the engine is cold.
dave
posted by 68.10.24...
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