How many O2 sensors does a Toyota rav4 have?
Oxygen sensors are located before and after the catalytic converter. A vehicle may have two to five oxygen sensors, and sometimes even more.
How many co2 sensors does a car have?
But car owners on a budget might want to go the do-it-yourself diagnosis route to save money. By using the CarMD device, or any engine code reader, drivers can learn what the problem is, and the skill level required to fix it, before attempting the task. Modern cars have two to four oxygen sensors, Nielsen says.
How many O2 sensors are on a 2002 Chevy Suburban?
2002 Chevrolet Suburban 1500 Oxygen Sensor. There are four O2 sensors in 1999 to 2006 Silverado models: two upstream and two downstream sensors.
What’s the O2 code on a Toyota RAV4?
I have an 03 rav 178k miles, mechanic had an 0141 code on obd2, i changed all 4 o2 sensors and the cel is still on, now it gives me a p1135 code. What else is there to change?? Make sure the two upstream sensors are air/fuel ration sensors, they are technically not oxygen sensors. I just put in all new sensors and I have no engine light.
Where are the sensors on a Toyota RAV4?
It is usually located on the air filter box or the pipe going from the air filter box to the throttle body. Toyota has a MAF and an IAT sensor built in one unit which has five wires located on the air filter box. The IAT sensor can be damaged by backfiring of the engine.
Why is my Baro sensor on my RAV4 not working?
The IAT sensor can be damaged by backfiring of the engine. The sensor can also show faulty readings due to accumulation of oil and carbon, wear and tear over time, and a poor connection after servicing the air filtering unit. The baro sensor measures the ambient air pressure, which tells the ECM the current altitude of the vehicle.
What does p1135 mean on a Toyota Rav 4.2?
P1135 on a 4.2 RAV means there is an issue with the heater circuit for the air/fuel ratio sensor Bank 1 Sensor 1. My guess is that sensor is defective. Get a scan tool.