View Pictures of engine sensor locations for many GM vehicles. Click images for info.
The 3800 V6 engine is one of the most reliable and widely used engines for General Motors. All series are based off of the 3.8L engine block. Used in Chervolet, Pontiac, Oldsmobile and Buick Models.
The 3100 and 3400 engines are the same as the 3.1L and 3.4L. This engine has been used for many years in cars like the Chevy Malibu, Pontiac Grand Am, Oldsmobile Alero and Cutlass, Buick Regal.
The 4200 inline straight Six cylinder engine was very popular in the GMC Envoy, Chevy Trailblazer and Oldsmobile Bravada.
2.2L and 2.4L Ecotec four cylinder engine sensor locations. This engine is widely used on smaller GM cars.