i have just purchased a 2006 1.8 zafira. i think i have noticed a flat spot when accellerating, and changing gear from 2nd to 3rd. as soon as i engage 3rd and press the throttle it dips in power for a split second. is this fairly normal as i have had similar problems with alfas resulting in air flow meter renewal. apart from this it idles correct and goes through all other gears no probs.