AutoMeter Ecometer/Universal OBDII Control Arm Shims 1980-1981 Jeep CJ7

1980-1981 Jeep CJ7

plug and play device that connects to your vehicle's OBDII port and allows for instantaneous monitoring of the exact fuel economy of your vehicle

1996-2002 Pontiac Sunfire

Wehrs Machine & Racing Products have provided racers with quality parts and components since 1997

1969-1969 Oldsmobile Vista Cruiser

AutoMeter Ecometer/Universal OBDII Control Arm Shims 1980-1981 Jeep CJ7The single largest contributing factor to fuel economy on your vehicle is the ? loose nut behind the wheel?. Driver input affects the amount of fuel you use more than anything else. The Ecometer by AutoMeter is a simple, plug and play device that connects to your vehicle's OBDII port and allows for instantaneous monitoring of the exact fuel economy of your vehicle. So much more than a simple vacuum gauge, the Ecometer monitors a huge range of engine