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Re: GTC ST05 Oxygen Sensor Tester
Posted to Tool & Equipment Forum on 5/9/2019 2 Replies

Sorry, forgot to mention said vehicle had no active or pending codes. Said vehicle would not code either sensor when disconnected at idle or while driving. After re-flash sensors would code when disconnected. Said vehicle was in for failed emissions, excessive... Login to read more.

2 Replies Received (View Replies)