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Discussion Starter · #1 ·
I started the car today after it was sat for about an hour after a 12 mile journey. Once started and before I started moving I turned on the air conditioning and the car juddered then continued, it didn't stall. I did this another 3 times turning it on and off, then it stopped doing it. Any idea what it might be?
 

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Mk2 RS MP350
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Not sure of the root cause but it isn't uncommon on the Mk3 and was the same on the Mk2.

I've always felt that Ford did a particularly poor job of integrating A/C into these cars.
 

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Have you got an upgraded or possibly worn rear engine/transmission mount as from looking at several posts this can be a culprit of vibrations with the A/C one? However as Alb says a lot of people complain that the A/C makes a lot of vibration in these cars.
 
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