View Full Version : how does the M20/M30 count engine revolutions?
Mordan
05-04-2010, 07:46 AM
I would guess crankshaft position sensor but want confirmation.
thx
Tiger
05-04-2010, 08:58 AM
Crank position sensor and camshaft position sensor.
genphreak
05-04-2010, 09:11 AM
Only 4 valve motors use both, M20/M30 have no cam position sensor.
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