The P1155 code on a 2001 Toyota RAV4 indicates a problem with the air-fuel ratio sensor, specifically that the sensor signal is out of range or not functioning correctly. This sensor is responsible for monitoring the air-fuel mixture to optimize engine performance and emissions. Common causes for this code include a faulty sensor, wiring issues, or exhaust leaks. Addressing this code typically involves diagnosing the sensor and its related components to ensure proper operation.
Left Side By Alt, Or Pass side Standing in front of TopOf Engine!!!! MPS AUTO!!!!!
sensor before the catalytic converter
The coolant temperature sensor on a 2001 Toyota RAV4 is located on the exhaust manifold. It is on the driver's side of the manifold.
Bank 2 sensor 1 Air fuel sensor heater circuit. This sensor is NOT an O2 sensor, though it operates like one and in the same location(in exhaust stream). Basically the PCM detected that the heater circuit was drawing excessive amperage or no amperage. Usually it's a bad a/f sensor and replacing it will fix it, however, it doesn't rule out the possibility of damaged wiring or an open in the power or ground circuit, or a short in the power or ground circuit.
The 2001 Toyota RAV4 has .
The A/F (air fuel sensor) on 2001 Toyota RAV4 is located on the drivers side (left side) of the engine and visible with a lifted hood. Location of parts under the hood, whether LEFT or RIGHT are always from inside the car, or from the drivers sight.
The 2001 Toyota RAV4 has 16 valves.
The 2001 Toyota RAV4 is a gas-powered vehicle.
The 2001 Toyota RAV4 has a 5-speed manual.
The 2001 Toyota RAV4 has an inline 4 engine.
Find your Sensor, un-screw it 7/8 the wrench usually. Un-hook the electrical cable. Screw in the new Sensor then hook up the electrical cable...