Could post a 'How to guide' containing the download links and specifying which models the guides are for in:
1. Avensis - https://www.toyotaownersclub.com/tutorials/category/4-avensis-club-guides/
2. Celica - https://www.toyotaownersclub.com/tutorials/category/6-celica-club-guides/
Hi Euan,
Yes that's a bad sign. Indicative of combustion bypassing the piston rings. It may be that one of them is stuck and an engine flush may free it, but no guarantees. Worth a try though bearing in mind the alternative. Of course someone here may think of something I've missed.
Regards
Ian