Map Sensor Location 5 3 Chevy

Manifold absolute pressure sensor manifold absolute pressure sensor not yet reviewed.

Map sensor location 5 3 chevy.

Otherwise it connects directly to intake. Symptoms of a bad or failing map sensor include. A bad map sensor sending the wrong signal to the. The pcm feeds 5 volts to the map sensor thru the wire labeled with the number 1.

Map sensor replacement location chevrolet cruze sonic. The map sensor should remain functional for a very long time. 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. A map sensor continually compares atmospheric absolute pressure to the intake manifold vacuum and sends the appropriate voltage signal to the vehicle s computer.

This is what happens when you turn the key and start the engine. The sensor connects to the intake manifold with a rubber hose depending on your particular application. Top 5 bad map sensor symptoms. Chevy cruze sonic manifold absolute pressure in this video we will show you how to remove and replace.

In order to complete this test however you will need to use a digital multimeter to read the voltage at the engine. 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. The computer then decides whether to increase or decrease fuel supply to the engine and adjust spark advancement accordingly. Free same day store pickup.

Once that happens there will be one or more recognizable symptoms that will pop up and catch you by surprise. How to test a map sensor. Ground is provided by the pcm too thru the wire labeled with the number 3. 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. Once the map sensor gets power and ground it now starts to measure the amount of vacuum the engine is producing and shoots the info to the pcm thru the wire labeled. At 20 hg the map sensor will indicate about 5 psi. Check out free battery charging and engine diagnostic testing while you are in store.

When testing a map sensor first make a preliminary check. A failed map sensor has serious implications on fuel control vehicle tailpipe emissions and fuel economy. However the time will eventually come when the map sensor does malfunction because of damage or wear.