over reving? on micra initia,help please.

have had my nissan micra initia for a week now,bought it
second hand on a 56 plate.i think there is a fault or it
could be normal for this car.hopefully someone can give
me some advice.here goes.when i am driving and coming to
slow down and release the accelerator and dip the clutch
to go into a lower gear the rev counter revs higher to
1.5 revs or just above while the clutch is still down and
then seems to go back to normal.it does this when
stopping for traffic lights and then a few seconds later
settles back to ideling at 1 on the rev counter.also have
noticed that it will happily plod along slowly in first
or second gear when the clutch is released,,,can anyone
help please,is this normal.or is it just me? thanks.

THE GARAGE I BOUGHT IT FROM SAID THEY HAVE SERVICED IT
BEFORE I PICKED IT UP,AND THEY HAVE STAMPED THE BOOK.I HAD
A FIAT PUNTO BEFORE THIS CAR.

the throttle on the newer nissans are sensitive even if you rest your foot on the pedal it may rev

just seem odd that revs only when changing gear

did it do it when you test drove the car ?

Edited by flash22