1990 Ford Sierra Sapphire Cosworth: How To Fix Blue Smoke Exhaust | Wheeler Dealers

Edd China shows you how to diagnose and fix blue smoke exhaust coming out of a 1990 Ford Sierra Sapphire Cosworth. 🇬🇧 Catch full episodes of Wheeler Dealers on discovery+: https://bit.ly/3pRpWj2 For more car clips from Wheeler Dealers just head to:    / wheelerdealerstv   Subscribe to Wheeler Dealers TV: http://www.youtube.com/subscription_c...