Having problems with your 1985 Nissan Pickup ?

How to find the intake suction pressure corresponds to the engine RPM..

Posted / edited by AnonymousUser on : 19-02-2018

Answers :

Manifold vacuum is a function of the throttle position and engine load, ie, you could be at 1500 rpm and have a vacuum or 10" Hg under acceleration or be cruising on a flat road at 3000 rpm and have a vacuum of 24"Hg.
Repair Help & Product Troubleshooting for 1985 Nissan Pickup

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