Q: My car wont stay running

asked by on July 19, 2016

My car has had a engine conversion from a 1.8 to a 2.5 m52. It's has also be turbocharged. When I start the car it fires up straight away with no hesitation but it just revs up to about 2000 rpm then down and cuts out. If I sit in the car and start it and keep giving it small amounts of revs the it will keep running but as soon as I stop doing it it just cuts out.

My car has 100000 miles.
My car has a manual transmission.

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