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Re: Audi CKP sensor
Posted to Technical Theory Forum on 8/6/2011

Halls effect sensors are 3 wired. A/C generation sensors are 2 but some times 3 for a case ground and they'll show a resistance [...] there are technically 2 types of the halls sensors,newest ones are a magneto resistive type also a 3 wire [...] a web page to ... Login to read more.