MEFI Scan 3 MEFI Scan 4 for MEFI

MEFI Scan 4 for MEFI 4

and malfunction trouble code reading and clearing (including freeze-frame data)

which allows you to do scanning / monitoring

or slip them into the wire holes on the back of the connector to monitor the signal while the injector is still connected

and malfunction trouble code viewing

MEFI Scan 3 MEFI Scan 4 for MEFIThis is a trimmed down version of our MEFI Scan & TuneTM system for the user that just wants to do scanning monitoring, data logging, and malfunction trouble code viewing. If you decide later that you want the ability to do tuning as well, you can upgrade to our MEFI Scan and TuneTM packages for just the difference in price between the MEFI Scan and the other package. You have nothing to lose by trying MEFI Scan first. The MEFI Scan kit includes: A 6