Originally Posted by Andreas
Originally Posted by scottbrown
will only read zero at idle if he has anti lag
-18 is normal for a turbo car as long as the gauge goes into the plus when he comes on boost. at idle it is measuring vacum
No way that -18 psi is normal, you wont ever see that, even when coasting down or whatever the english word is for when you let off the throttle.
you wouldnt see -18 if the engine was idling in deap space dude
