Hi,anybody had this problem? Now&again when my siggy 3.0v6 is ticking over it cutsout and sometimes it takes a couple of seconds of turning over to start again,also when towing my caravan this wkend the spanner light came on and went into limp mode, turned it off for a minuate or so and it's been fine ever since, just now and again it cuts out when idling any help out there please.