pjb wrote:Most of the vids of diesel runaway where the engine is running on oil show plumes of blue smoke.

If it's belting out black smoke, seem more likely that it's running on diesel.

It was black.... and lots of it

Scenario 1... It's called "runaway" where the engine will feed on its on oil due to a blown turbo seal or valve seal or worn piston rings until it A. Explodes throwing conrods and pistons into space or B. runs out of oil to burn (more on the worn piston rings, it creates crank case pressure that is ...

gosh..., I have to say we are on edge waiting for this exact thing to happen..

Hi, I'm hoping someone on this forum may be able to help with something.. it has the mechanics stumped, but who knows someone here may have come across it. We have a 1991 2.5 diesel delica 4x4, when sitting idling in park it will on occasion all by itself rev up till the trottle is fully open, black ...