Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
I believe that if you are sure you have a 3.1, the car is a malibu. Here is a pic on the malibu.
Here is a pic of the 3.1 malibu. It looks the same as a 3.4 setup. It is positioned on the back side of the engine. This is the view you would get looking from the back side of the engine! There is one pipe connected to it with one bolt. It has two mounting bolts that mount the egr valve!
Here is a pic of the 3.4 impala! This will be located on the back side of the engine.
Here is a pic of the 3.8 impala.