If there is too much air for the fuel supplied, the mixture is termed lean. In either case, because the uncombined excess ...

E85 in a non-flex fuel vehicle can cause misfires and cold start issues. Learn how to diagnose and correct ethanol-related fuel problems.

In all, Minnesota Power aims to generate about 1,000 megawatts of energy from natural gas within the next decade by ...

What’s a lean burn system? Simply put ... [Robot Cantina] can fine tune the air/fuel ratio with nothing more than a potentiometer, and the car’s ECU is none the wiser. What were the results?

A vacuum leak can trigger a “check engine” light because the fuel system is running too “lean,” meaning it has a greater mix of air than is ideal. Vacuum leaks can develop in many ...