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is the process of illimination the only way to find the faulty coil packs?

In the Renault megane scenic is the process of illimination the only way to find the faulty coil packs
Johnny, July 2009
A decent quality diagnostic tech can check which cylinder is misfiring, but probably as cheap to just replace the set.

shuggie, July 2009
link Click here to see other fixes for Renault megane scenic.