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International Automotive Technicians Network
Re: Volvo runs rich runs lean?
Posted to Technical Discussion Forum on 12/3/2002

Read my reply some time ago. The answer is YES and I have seen this a number of times on Ford products (with an LE2 system) with a cracked sensor;

Cold start - ECU expects 2500 ohms (7.5v) - sees 900 ohms ( 2.5v) - would it run lean on start up???? - you bet... Login to read more.