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A2D2

Mk4 Lumpy Under Acceleration

7 posts in this topic

Hey you lot, I'm new to the forums, hopefully I can provide info as well as deal out the problems :)

I purchased a '99 Mk4 Fiesta about 8 months ago and gradually the lower end of the gears, when I need to accelerate mid to hard it feels as if the engine momentarilly cuts out for a few seconds then around the torque band it sorts itself out.

replaced the spark plugs a month or two ago and the problem ironed itself out for a while, but it has returned again! I bought some Redex for injected engines thinking its maybe a problem with the injector bank?

Question is, is it my driving style? Or am I missing something important?

Any questions just fire away.

Thanks in advance, will probably edit to add things I've forgot!

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thinking about it if one went then it would be rough as you would have a cylinder down... so try the distributor cap, rotar arm inside.

I am taking a guess though.

Also check the lead from the coil to the distributor.

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thinking about it if one went then it would be rough as you would have a cylinder down... so try the distributor cap, rotar arm inside.

I am taking a guess though.

Also check the lead from the coil to the distributor.

If its a zetec it will have a coil pack not distributor.

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Report: Had a quick once over of the car with my car and all was fine until we started the car up. Dad was under de bonnet and said when a gave it some throttle there was a sort of swooshin, air escaping from a pipe noise. He thinks that might be the porblem for the lack of power under acceleration.

Needs looked at!

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