2001 Holden Astra City 3 door hatch from Australia and New Zealand - Comments

Small exhaust leak which I had TIG welded (stainless steel) for $20.

I too have found the characteristic of hanging on to engine revs (and in fact increasing revs on release of throttle) to be very annoying. So much so, I have written to CEO Peter Hanenberger about the driveability.

The Astra uses a dual tuned runner manifold arrangement which results in a volume of air to cleared on trailing throttle. The engine management software could be edited if Opel were willing I think, but this would upset the emission characteristics.

Transient emissions.

Terrible throttle.