Quote:
Originally Posted by tomtom72
The part labeled Vacuum differential sensor is the part we all call the secondary MAP sensor. The hose feeding it comes out of the left side of the plenum between the front four & rear four runners, if I remember correctly. That MAP is bolted under the bracket that the ECM and cruise control diaphram is mounted on, just on top of the battery.
Tom |
And often a backfire will blow that MAP hose loose causing a high idle
