Has anyone had there inlet valves walnut blasted to remove the carbon build up that these turbo direct injection motors can suffer with ?
Symptoms can be a slight lumpy cold start as the extra fuel that is dumped in doesn't atomize properly.
It's quiet an involved process.
Wondered if anyone has had it done apart from a better cold start could you feel any other improvements ?
Symptoms can be a slight lumpy cold start as the extra fuel that is dumped in doesn't atomize properly.
It's quiet an involved process.
Wondered if anyone has had it done apart from a better cold start could you feel any other improvements ?