1999 toyota 4runner air fuel ratio sensor location. Based on the output voltage the engine control module determines if the air fuel ratio is rich or lean and adjusts the stoichiometric air fuel ratiothe ecm also checks the fuel injection volume compensation value to check if the af sensor is deteriorating or not. So i took it to autozone for a free scan. Bank 1 sensor 2 this is mainly related to the oxygen sensors.
Engine compartment usa toyota 4runner fuse box engine compartment usa engine compartment canada toyota 4runner fuse box engine compartment canda instrument panel toyota 4runner fuse box instrument panel fuse type a. Toyota 4runner 1999 2000 fuse box diagram. P1133 toyota description the air fuel ratio af sensor varies its output voltage in proportion to the air fuel ratio.
P1130 toyota meaning the air fuel ratio af sensor varies its output voltage in proportion to the air fuel ratio. Bank 1 sensor 2 p1200 fuel pump relay. I went from 12 15 to 8 10.
They are mainly located on the exhaust pipe. One before and on after the catalytic converter. Bank 1 sensor 1 p1135 airfuel sensor heater circuit response.
Bank 1 sensor 1 p1150 airfuel sensor circuit rangeperformance. 2002 toyota 4runner p1135 airfuel ratio sensor code showing you the location of the sensor which is bank 1 sensor 1. It did come back and ive been getting really bad fuel economy.
Bank 1 sensor 2 p1153 airfuel sensor circuit response. Bank 1 sensor 2 p1155 airfuel sensor heater circuit. I called toyota 215 just for the part.
Make sure your engine runs efficiently and produces fewer emissions by replacing your malfunctioning fuel ratio sensors with these top notch products designed by denso. It maybe the sensors themselves or an open wire going to te sensors. Toyota 4runner with california emission 1999 air fuel ratio sensor by denso.
With a little over half a tank ive got about 60 miles on the trip od.
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