Where is the MAP sensor on a 2005 Duramax?
Where is the MAP sensor on a 2005 Duramax?
On the LLY engine the MAP Sensor is located behind the AC Compressor.
Where is the MAP sensor on a 2006 6.6 Duramax?
Locate the MAP sensor on the upper intake plenum to the passenger side of the alternator.
What does the MAP sensor on a Chevy Silverado do?
This sensor is also known as the Silverado MAP Sensor, or manifold absolute pressure sensor. This unit is meant to read the barometric pressure of the air entering your engine. Your Chevy Powertrain Control Module uses this data to deliver the right amount of fuel and spark to your engine.
How to test the MAP sensor ( 1999-2006 )?
Connect the red multimeter test lead to the middle wire of the MAP sensor’s connector. In the photo above I’ve identified the middle wire with the number 2 . NOTE: The MAP sensor must remain connected to its electrical connector to test the MAP signal voltage. Ground the black multimeter test lead on the battery negative (-) terminal.
What happens when a sensor goes bad on a Silverado?
When this pressure sensor goes bad your 5.3 liter engine will have several problems or symptoms that can cause driveability issues. Here’s some of the more common symptoms from a bad MAP sensor. When your check engine light turns on in your Silverado instrument cluster, you’ll need an OBDII scan tool to retrieve the stored codes.
What are the symptoms of a failed MAP sensor?
Symptoms of a failed Silverado MAP Sensor 1 Harsh shifting transmission points 2 Silverado engine running rich ( too much fuel ) 3 Bad gas mileage 4 Inconsistent shift points 5 Hesitation during acceleration 6 Check Engine Light ON
How to test the MAP sensor ( 1999-2006 V8 Chevy )?
The manifold absolute pressure (MAP) sensor, on the 1999-2006 V8 Chevrolet Silverado (Suburban, Tahoe) and GMC Sierra (Yukon, Yukon XL) can be easily tested with a simple multimeter. In this tutorial I’ll explain how to do it in a step-by-step way.
Where is the pressure sensor on a Chevy Silverado?
The pressure sensor in your Chevy Silverado is mounted to the intake manifold. This sensor is also known as the Silverado MAP Sensor, or manifold absolute pressure sensor. This unit is meant to read the barometric pressure of the air entering your engine.
What should DC signal be on Silverado MAP sensor?
Reconnect the Silverado MAP Sensor harness and the wire you will need to read is the one that’s connected to PIN B. This wire is your signal wire, and you’ll be using the hand pump to deliver vacuum to the MAP sensor inlet. With the key turned to the “ON” position you should see between 4.5-4.8 volts of DC signal at this wire.
When this pressure sensor goes bad your 5.3 liter engine will have several problems or symptoms that can cause driveability issues. Here’s some of the more common symptoms from a bad MAP sensor. When your check engine light turns on in your Silverado instrument cluster, you’ll need an OBDII scan tool to retrieve the stored codes.
