Welcome to the forum!
Quote:
Originally Posted by Nimsport
The engine starts ok but quickly starts building revs and P or N and holding it in D on the brakes is the only way to allow the engine to run. Turns off fine with the key so that makes me think that its not just drinking oil. The turbo seals aren't great but I've run the car without the intercooler pipes attached and the problem is still there.
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If the engine shuts down immediately with the key, you probably are not looking at a (dangerous) oil-ingestion-fueled runaway situation.
Quote:
Originally Posted by Nimsport
It smokes loads, mainly black even at idle so seems like its just getting way too much fuel.
The previous owner did tinker with the pump and boost pressure...
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Turning up the max fuel adjustment too much can cause a high hanging idle and excess soot. You could try backing off the max fuel screw in 1/8 turn increments and see if that solves. Mark the current screw position as a benchmark first.
Can you find out what "adjustments" the P.O. did to the IP?
What caused the overheat and how long did it run overheated?
What nylon ring?