Andrew K Posted February 28, 2013 Share Posted February 28, 2013 What fitting & thread size do you mount in the manifold to take this gauge? Link to comment Share on other sites More sharing options...
chrispot Posted February 28, 2013 Share Posted February 28, 2013 Toyota use a flange type o2 sensor, so you have to weld on a threaded boss to the down pipe, thread size i believe is 18 x 1.5 pitch, welding on a new boss is what i would do so it leaves the original one for the ecu and new for monitoring Link to comment Share on other sites More sharing options...
SteveC Posted February 28, 2013 Share Posted February 28, 2013 Sensor Type: Bosch UEGO LSU4.2 Accuracy: +/- 0.7% Exhaust Temp Limit: 1030C Cable & Protector Sleeve Temp Limit: 250C Connector Temp Limit: 120C Initial Warm-up Time: Less than 20 seconds Weight: 80 grams Heater Current: 1.2A at 12.0V (each sensor) Mounting: M18 X 1.5 thread, Torque to 30 ft-lbs 80,000 km for Unleaded Fuel 50,000 km for Leaded Fuel 0.15g Pb/l 20,000 km for Leaded Fuel 0.40g Pb/l Nominal Service Life: 10,000 km for Leaded Fuel 0.60g Pb/l Link to comment Share on other sites More sharing options...
bignum Posted February 28, 2013 Share Posted February 28, 2013 Most folks mount the sensor in the 2nd decat so its away from extreme heat, also mount in the 10 0`clock position so that moisture doesn`t collect on the sensor. Link to comment Share on other sites More sharing options...
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