What does Engine code P1135 mean?

air/fuel sensor heater circuit
OBD-II code P1135 represents a general fault in the air/fuel sensor heater circuit for bank 1, sensor 1. The air/fuel ratio sensor needs to reach a certain operating temperature, a minimum of 1200 degrees Fahrenheit, to create accurate voltage signals.

Are all Toyota O2 sensors the same?

Physically, there’s no difference between front and back O2 sensors. They function in the same way, but the vehicle’s computer uses the measurements that they take for different purposes.

How much is an O2 sensor for a Toyota Camry?

Toyota Camry Oxygen Sensor Replacement Cost Estimate. Labor costs are estimated between $67 and $85 while parts are priced between $306 and $350. This range is based on the number and age of Toyota Camry’s on the road.

What brand of O2 sensor does Toyota use?

OEM stands for “original equipment manufacturer” and Denso manufactures the sensors for Toyota. Therefore Denso is the OEM.

Should I replace all my O2 sensors at once?

O2 sensors are a “wear item” and are recommended to be replaced every 75k mi. (if I remember correctly, check the FSM). Consider them part of a really proper tune-up regimen. Simply put, they are providing one set of input for your fuel injection system so it can manage things optimally.

What causes a oxygen sensor to fail?

O2 sensor failures can be caused by various contaminants that enter the exhaust. These include silicates from internal engine coolant leaks (due to a leaky head gasket or a crack in a cylinder wall or combustion chamber) and phosphorus from excessive oil consumption (due to worn rings or valve guides).

How many O2 sensors does a Toyota Camry have?

There is one (sensor 1) in front of the catalytic converter and a second (sensor 2) located behind and beneath the catalytic converter.

How much does it cost to fix a system too lean bank 1?

This issue refers to the system that lies between the mass airflow system and the engine. Your mechanic has to determine where the leak is. So, depending where the leak is located, a vacuum leak repair can cost you anywhere between $150 and $1,000.

How to resolve error code p1135 in my Toyota Camry?

The day I changed O 2 sensor 1 upstream for my 2001 Toyota Camry (4 cylinder, 2.2L) the code was cleaned, and then the engine light went away. Both codes look to be related. P1155 Air/Fuel Sensor Heater Circuit.

What does OBD code p1135 stand for?

OBD-II code P1135 represents a general fault in the air/fuel sensor heater circuit for bank 1, sensor 1. The air/fuel ratio sensor needs to reach a certain operating temperature, a minimum of 1200 degrees fahrenheit, to create accurate voltage signals.

How much does it cost to repair a p1135 Toyota?

Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins. The cost of diagnosing the P1135 TOYOTA code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

What is the O2 sensor code on a Toyota Camry?

I recently replaced the downstream O2 sensor in my Toyota Camry. Shortly thereafter, the check engine like came on again providing the following codes: P1135 which I understand to be the upstream sensor.