Home Auto Repair P0066 Air Assisted Injector Control Circuit Or Circuit Low

P0066 Air Assisted Injector Control Circuit Or Circuit Low

43

OBD-II Trouble Code Technical Description
Air Assisted Injector Control Circuit Or Circuit Low
What does that mean?

This diagnostic trouble code (DTC) is a generic powertrain code, which means that it applies to OBD-II equipped vehicles that have an air assisted fuel injector. Brands of vehicles may include but are not limited to Subaru, Jaguar, Chevy, Dodge, VW, Toyota, Honda, etc. but mainly only shows up on Subaru and Jaguar vehicles. Although generic, the specific repair steps may vary depending on make/model/engine.

The Air Assisted injector is similar a normal fuel injector. Just like the name implies, it uses air to assist in atomizing the fuel that is being injected/sprayed. In most cases, this particular injector is used to help with cold starts. When your engine is cold, It requires a richer air/fuel mixture (more fuel) in order to start.