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Check engine light on reads p1135 - RAV4 Toyota Cars & Trucks

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On Toyota models the error code meansthe problem is as described below

P1135 Air/Fuel sensor heater circuit response (bank 1 sensor1).

It indicates the most common problem with your O2 sensor . Bank ! sensor indicates the upstream O2 sensor. It might be faulty and needs to be replaced.

Posted on Nov 15, 2010

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I want to change my P1135 sensor but I dont no where it is

Posted on Oct 10, 2011

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Posted on Jan 02, 2017

daves944
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SOURCE: check engine light on

This is a code that is indicating you have a problem with the "bank 1, O2 sensor 1" heater circuit. Bank one is the side of the engine that has cylinder #1, and sensor #1 is the O2 sensor on that side that is before the catalytic converter. This code sets when the computer senses that it either takes too much or too little current to drive the heater inside the O2 sensor. Typically, most shops would simply put a new O2 sensor in this location as it is ten years old and there is a good chance that the O2 sensor has burnt out However, there is a possibility that the driver circuitry has a problem as well.

I would replace the sensor, I believe it is the one on the passenger side between the engine and the cat. After that, you will have to drive it a bit for the code to cancel, or you could have it reset with a scan tool.

Posted on Mar 23, 2009

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SOURCE: check engine light

Code P1135 is your Air Fuel sensor heater circuit is malfunctioning

Posted on Oct 07, 2008

  • 26 Answers

SOURCE: 2001 Sienna VSC/Trac/Engine Light

Toyota Specific Trouble Codes
P1135 Air/Fuel Sensor Heater Circuit Response. (Bank 1 Sensor 1)
If you have changed the proper sensor then you may need to have the cam shaft looked at.

Posted on Dec 16, 2008

  • 1 Answer

SOURCE: Check engine light is on

try cleaning out the mass airflow meter with a q-tip and some carb cleaner, very carefully.

Posted on Jun 11, 2009

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SOURCE: 2002 Toyota Camry 4 cyl has a check engine light

anyone knows the solution for Camry Engine code 440. I reset at half tank of gas & then filled upo the tank. Engine Light came back exactly on half tank again.

Posted on Feb 26, 2010

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I have a code p1130 p1135 what does this code need to have repaired


they refer to the air/fuel sensor circuit and air/fuel heater circuit , the 0125 code refers to engine not getting to operating temperature , so that is why the other two codes are read , check coolant level, if ok check that the thermostat is opening , if it is then you may have an air lock in the coolant system so bleed the system , whilst bleeding get someone to switch the heater temp switch to hot and back to cold a few times as thats where an air lock could easily get trapped

Oct 23, 2014 | Toyota Tacoma Cars & Trucks

1 Answer

Po 161 and p1135


PO161 IS FOR OXYGEN SENSOR BANK2 WHICH IS LOCATED IN THE BOTTOM RIGHT OF THE CAT (PASSENGER SIDE ) ON THE OUTPUT OF THE CAT..
P1135 AIR FUEL RATIO OXYGEN SENSOR MALFUNCTION BANK1-IS NOT NEED TO RENEW IT. CHECK WHETHER YOU HAVE THE AIR FILTER CLOGGED,OR WEAK SPARK CABLES OR WORN SPARK PLUGS,AS THESE ARE THE CULPRITS WHICH CAUSING THE AIR FUEL MIXTURE BE OUT OF RANGE AND CAUSE THE OXYGEN SENSOR TO FAIL. MY LAST OPINION CHANGE THE OXYGEN SENSOR BANK 2 ( PO161)AND RESET THE CHECK ENGINE LIGHT USING A SCANNER AND DRIVE IT. IF NO LIGHT COMES ON SHOULD BE THE ONLY FAULT.

Aug 31, 2012 | 2002 Toyota RAV4

1 Answer

Error code P 1135. what part needs to be replaced?


P1135. Air/Fuel Sensor Heater Circuit Response. (Bank 1 Sensor 1).

The P1135 code on your Toyota is Air fuel ratio sensor - heater circuit malfunction. Basically the problem there will be with the air/fuel ratio sensor (on other vehicles it is refered to as an O2 oxygen sensor), or the wiring/connectors leading to it. It could also be a problem with a fuse or relay on the heater circuit. Again, not a real difficult problem to solve.

Now, to specifically answer your question. I'm not familiar with the inspections in New Jersey, however just fixing the P1135 code will not cause the check engine light to stay off because there are other unrelated codes. If the code P1135 was causing the other problems then perhaps fixing that code would fix the others, but that's not the case here. The reality is you'll need to have all the problem areas looked at (IAT sensor, MAF sensor, Air/fuel ratio sensor) and repaired in order for your engine light to stay off. Normally if there are codes stored a vehicle cannot pass inspection. I would get a second opinion from another local mechanic as what you've been told may not be 100% correct.

Good luck.

Oct 02, 2010 | 2001 Toyota Sienna

1 Answer

Engine light came on took 2001 Toyota Camry to


this is just an oxygen sensor like on most American cars. might cost $60 to $80 im guessing.

Apr 03, 2010 | 2001 Toyota Camry

3 Answers

Check engine light is on


P1135 bank 1 sensor 1 is your air/fuel sensor upstream (between manifold and engine on the passenger side). It cost about $179 at most reputable auto parts store. You'll want to run the engine for two minutes before attempting to take off the nuts also be careful not to touch the manifold as it will be hot (use a 12mm box end wrench and or a pair of needle nose vise grips or lastly a dremel tool to grind them off). unplug the old sensor plug the new in and install. pull your positive cable off your battery for 5 minutes and then re-connect. your check engine light should be gone. allow your truck to idle for a few minutes and then take a drive. good luck!

Jun 04, 2009 | 2001 Toyota Tacoma

1 Answer

Check engine light


Code P1135 is your Air Fuel sensor heater circuit is malfunctioning

Oct 07, 2008 | 2003 Toyota RAV4

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