I had engine light come on , suspected it to be the EGR as on a previous mk3 ?
Took a punt on this little device , plugged it in , device powered up , then set ignition to II , no need to start the engine , you must turn on the dash though !! Then set to scan , 1 code came up , sure enough it was the EGR , cleared the code as I know it's nothing to worry about , though will probably come back in a few weeks ?
Important point ! Don't connect or disconnect while the ignition is on or set to II !!
For the device to link with your car the dash must be powered up , otherwise it will say error unable to connect !
Hope this is useful as most reviews just say it works great or it's rubbish ?
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