View single post by huggy112
 Posted: Mon Jul 7th, 2008 10:58 pm
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Joined: Mon Jul 7th, 2008
Posts: 5
hi everyone,

i have an old ex-mot station sun dga 1800 gas tester, and it is now out of it's calibration period, and while it runs through all it's diagnostics, when i put a car on for checking it just reads the rpm and temp but gives no gas readings,

I have been told that this is because of the calibration lock-out which can be removed by a calibration engineer,

my question is firstly, does anyone know how to remove the lock out? it is not used for mot's just for checking cars before and after work has been done. and secondly, does anyone know of any calibrators in the northwest and how much they charge,

many thanks in advance everybody