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Re: Titania oxygen sensors Archived Message Posted by Mark Mcgrath on August 8, 2008, 5:49 pm, in reply to "Titania oxygen sensors" this is off pico site whether it helps or not The operating principle of a titania lambda sensor is entirely different from that of a zirconium lambda sensor. A titania lambda sensor works like a coolant sensor. It changes resistance as the air/fuel ratio goes from rich to lean. But instead of a gradual change, it switches very quickly from low resistance (less than 1000 Ohms) when the mixture is rich to high resistance (over 20,000 Ohms) when the mixture is lean. The engine computer supplies a base reference voltage of approximately one volt to the titania sensor, and then reads the voltage flowing through the sensor to monitor the air/fuel ratio. When the fuel mixture is rich, the resistance in a titania oxygen sensor is low and the sensor’s voltage signal is high. When the fuel mixture is lean, resistance shoots up and the voltage signal drops. Message Thread: Titania oxygen sensors - Tony Sefton August 8, 2008, 8:49 am Re: Titania oxygen sensors - Mark Mcgrath August 8, 2008, 5:49 pm Re: Titania oxygen sensors - Tony Sefton August 8, 2008, 6:36 pm Re: Titania oxygen sensors - Mark Mcgrath August 9, 2008, 6:40 am Re: Titania oxygen sensors - Dave Harney August 9, 2008, 9:47 am Re: Titania oxygen sensors - Tony Sefton August 9, 2008, 7:26 pm Re: Titania oxygen sensors - Graham Bullock August 9, 2008, 8:01 pm Re: Titania oxygen sensors - Michael Whitworth August 9, 2008, 9:12 pm Re: Titania oxygen sensors - Graham Bullock August 9, 2008, 9:40 pm Re: Titania oxygen sensors - Tony Sefton August 10, 2008, 10:04 am Re: Titania oxygen sensors - lee mackintosh August 10, 2008, 7:06 pm Re: Titania oxygen sensors - Michael Whitworth August 10, 2008, 7:37 pm Re: Titania oxygen sensors - Michael Whitworth August 10, 2008, 7:58 pm Re: Titania oxygen sensors - lee mackintosh August 10, 2008, 10:42 pm Re: Titania oxygen sensors - Michael Whitworth August 11, 2008, 1:50 am Re: Titania oxygen sensors - Dave Harney August 11, 2008, 10:53 am Re: Titania oxygen sensors - Ed Kaps August 11, 2008, 6:31 pm Re: Titania oxygen sensors - Darren Bamford August 11, 2008, 9:27 pm Re: Titania oxygen sensors - Michael Whitworth August 12, 2008, 12:14 am Re: Titania oxygen sensors - Michael Whitworth August 12, 2008, 7:21 am Re: Titania oxygen sensors - Tony Sefton August 12, 2008, 8:50 am Re: Titania oxygen sensors - Dave Harney August 12, 2008, 1:46 pm Re: Titania oxygen sensors - Michael Whitworth August 13, 2008, 7:36 pm Re: Titania oxygen sensors - Tony Sefton August 13, 2008, 8:40 pm Re: Titania oxygen sensors - john weddup August 14, 2008, 7:40 pm Re: Titania oxygen sensors - Kevin Apps August 13, 2008, 11:49 pm Re: Titania oxygen sensors - Darren Bamford August 14, 2008, 9:48 pm

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