Hey, I've got a 1.6 petrol Megane CC. It's lumpy at idle, hesitating at low revs then picks up. I've replaced the plugs and got coil packs on order. Thought there might be a vacuum leak but can't see anything obvious aside from a solid plastic blanker pipe attached to the air intake just before the MAF. There's a split where they join. Could that be the issue?
I can't see how to post a photo on here though.
It's always been lumpy the two weeks I've owned it. Always started first kick until yesterday. Yesterday morning and this morning it started then stalled straight away. Second time started fine. I guess this could be the dephaser pully but it starts first kick after a 12 hour shift for the drive home and I can't hear any grinding noises at start up.
Engine Pipework
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