Quote:
Originally Posted by 1987300sdl
It sounded similar to the pinging of a gas car.
and said that there was a lot of oil in the exhaust pipe. (a big black spot on the ground under the tailpipe..
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These two points are critical.
The "ping" from a gas car is a mechanical noise...........meaning something mechanical has failed. A diesel does not ping.
Oil in the exhaust means that something mechanical has failed. There is no conduit for oil to get into the exhaust unless it manages to get into the cylinder and NOT burn.
Therefore, the only previous question that is applicable is whether anybody has checked the camshaft and the valves for proper operation. You can can forget about my other previous questions. Your problem is more serious than you believe.
You must do a compression test on all six before we go any further.