Map Sensor Location 5 3 Chevy

A map sensor continually compares atmospheric absolute pressure to the intake manifold vacuum and sends the appropriate voltage signal to the vehicle s computer.
Map sensor location 5 3 chevy. The pcm feeds 5 volts to the map sensor thru the wire labeled with the number 1. In order to complete this test however you will need to use a digital multimeter to read the voltage at the engine. Symptoms of a bad or failing map sensor include. At 20 hg the map sensor will indicate about 5 psi.
If you think your silverado map sensor is going bad this how to guide can help you test it. When problems arise it s more likely that the vacuum hose has failed. A bad map sensor sending the wrong signal to the. However the time will eventually come when the map sensor does malfunction because of damage or wear.
Top 5 bad map sensor symptoms. How to test a map sensor. Free same day store pickup. The computer then decides whether to increase or decrease fuel supply to the engine and adjust spark advancement accordingly.
Map sensor replacement location chevrolet cruze sonic. The map sensor should remain functional for a very long time. Chevy cruze sonic manifold absolute pressure in this video we will show you how to remove and replace. Manifold absolute pressure sensor map 213 796 16187556 12569240 12614973 compatible with chevy buick cadillac gmc gm saturn oldsmobile hummer isuzu pontiac bonneville saab 4 3 out of 5 stars 342 10 99 10.
Once that happens there will be one or more recognizable symptoms that will pop up and catch you by surprise. When testing a map sensor first make a preliminary check. Find chevrolet 5 3l 325 map sensors and get free shipping on orders over 99 at summit racing. This is what happens when you turn the key and start the engine.
Check out free battery charging and engine diagnostic testing while you are in store. A failed map sensor has serious implications on fuel control vehicle tailpipe emissions and fuel economy. Order chevrolet silverado 1500 map sensor online today. Today i ll be showing you how to test the manifold absolute pressure sensor in a 2007 chevy silverado with a 5 3 liter engine in it.
Ground is provided by the pcm too thru the wire labeled with the number 3. This is because the map sensor measures absolute pressure based on a perfect vacuum rather than atmospheric pressure. The sensor connects to the intake manifold with a rubber hose depending on your particular application.