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International Automotive Technicians Network
Re: Closed Loop Operation
Posted to Technical Discussion Forum on 10/17/2024

Relevant TSBs?

At cruise, prior to coming to a stop, what are the fuel trims? What do they do when coming to a stop and sitting at idle?

I would expect the ECU to go to open loop while coasting, when it cuts fuel. Does the ECU cut fuel when coasting above ... Login to read more.