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International Automotive Technicians Network
Re: Closed loop requirements
Posted to Technical Theory Forum on 11/29/2003 28 Replies

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You asserted that a vehicle would not go into closed loop during warmup because it needs 14.7:1 fuel ratio. Not true. Some Toyotas, GM's, Fords, and other vehicles can go into closed loop during warmu... Login to read more.

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28 Replies Received (View Replies)