Justian http://www.ebay.com.au/itm/Volvo-240-GL-1987-5D-Estate-4-SP-Automatic-2-3L-Multi-Point-F-INJ-/181650529133?pt=AU_Cars&hash=item2a4b371b6d Saw this one on Ebay, any ideas why it might be pinging apart from maybe carbon build up?