Do you have a check engine light on in your Mustang? Will it not pass the state inspection emissions test? Your Mustang ECU relies on engine sensors to relay information to the computer and tell it what the motor is doing. Latemodel Restoration Supply has a complete line of "Motorcraft" factory replacement engine sensors including EGR valves and sensors, PCV valves, TPS sensors, and oxygen sensors also known as O2 sensors, or MIL eliminators. Whatever your Mustang emission or Mustang engine sensor needs are, Latemodel Restoration Supply can keep your 1979-2014 Mustang emissions legal and passing inspections!