Where is the map sensor on 2005 Chevy silverado 5.3 v8?

The Manifold Absolute Pressure (MAP) sensor on a 2005 Chevy Silverado 5.3L V8 is located on the intake manifold. It's usually a small, cylindrical sensor with a single electrical connector. However, its exact location on the intake manifold can vary slightly depending on the specific engine configuration and even the year within the 2005 model year.

To find it, you'll need to:

1. Consult a repair manual: A Haynes or Chilton manual specific to your vehicle will have a diagram showing the exact location of the MAP sensor. This is the most reliable method.

2. Look at the intake manifold closely: The sensor is typically mounted on top of or near the throttle body. It will be a relatively small sensor with a single electrical connector.

3. Use online resources: Search for images of "2005 Chevy Silverado 5.3L V8 intake manifold" on sites like Google Images or YouTube. Comparing images might help you locate it.

Important Note: Working on your vehicle's engine can be dangerous. If you're not comfortable performing this task, it's best to take your vehicle to a qualified mechanic.