Some common locations of engine data sensors, controls and other important components for your car or truck.

Click on the GM engine size you would like to view sensor locations and descriptions for.

Chevy, Buick, Pontiac, Oldsmobile and GMC


2.4 liter

3.1 liter, 3.4 liter V6

3.5 v6 (Olds Aurora and Intrique)

3500 V6 (all others)

3.8L V6 (3800)

4.0 v8

4.2 L inline 6 cylinder

4.3 liter Vortec
GM Engine Sensor Locations

More Car Repair Help