All OBDII compliant vehicles have what are known as “monitors”. Monitors are a series of tests the engine ECU performs to determine whether different emissions related systems are working properly. Clearing trouble codes (after a repair, for example) resets these monitors and it may take considerable driving time for each monitor to set again. Most states will not allow a vehicle to be tested for emissions until the majority of these tests have been completed by the engine ECU.

Simply connect RoN to your vehicle and it will instantly display which monitors are set and whether or not your vehicle is ready for emissions testing. RoN features both visual and audio confirmations that alert the driver the instant the vehicle is ready for emissions testing.

Scan tool and test tool functionality in one device.

Saves time and frustration by indicating when a vehicle is ready for emissions testing.

Buying a used car? Remember that the check engine light can be cleared, masking potential problems. Use RoN to verify that the majority of monitors have been completed by the engine ECU.

The Ready-or-Not works out of the box, however it can also be programmed to adapt to any existing or future state emissions program. The configuration utility supplied with the test tool comes with a large number of presets, covering all current state emissions programs

OBD II scanner

Scan Tool Plus Emission Testing in One Package is a post from: OBDii Scanner Reviews

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