Id repace it. Looks like a cheap replacement £31 see link below. Out of curiouosity what make and model of diagnostic tool are you using?

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Brilliant thanks, I appreciate your help.
I will certainly replace it.
I purchased a Techpro obdll default code reader. Only $138 Nzd and works perfectly.
Thanks Todd

 

Think its actually Mechpro. Would you have a link for it. Can't seem to find it anywhere.
Thanks

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Think its actually Mechpro. Would you have a link for it. Can't seem to find it anywhere.
Thanks

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Apologies yes it was Mechpro and I can't find it on the Repco New Zealand website but secured it from in store. Thanks Todd