Question about 1999 Pontiac Firebird

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Showing code p0135 and p1131

Changed Bank 1 o2 sensor but problem is still there. I heard of cleaning the maf and checking the wiring. Still no avail
please help

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Replace the MAF sometimes cleaning it doesnt always do the trick

Posted on Jun 03, 2009

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Got Honda accord 2000 code po135 replaced 02 sensor and stil show same code



How to Diagnose a P0135 -Heater
Performance Bank 1 Sensor 1 (GM 3.5L)
January 31, 2012 Updated: October 29, 2014 Written by: Abraham Torres-Arredondo Article Id: 371

image_1.gifIf your check engine light is on and you have a diagnostic trouble code P0135 stored in the PCM's memory... then you've come to the right place to test and troubleshoot the upstream oxygen sensor.
A P0135 DTC says: HO2S Heater Performance Bank 1 Sensor 1... and this means that the PCM (Powertrain Control Module = Fuel Injection Computer) has detected a problem with the front oxygen sensor's heater element or a problem in the heater's circuit (wires).
In this tutorial, I'll show you how to check the oxygen (O2) sensor's heater element and the two circuits that feed it with power (10 to 12 Volts) and ground with a multimeter.
In case you're wondering, where the oxygen (O2) sensor that the code P0135 is accusing of being BAD is... this bad boy is located on the exhaust manifold and before the catalytic converter.
To help you navigate this article, here are its main points:
  1. Symptoms of a BAD Oxygen Sensor Heater Element.
  2. What Tools Do I Need to Test Code P0135?
  3. What Does the Heater Inside the Oxygen Sensor Do?
  4. Circuit Descriptions of the Downstream Oxygen Sensor.
  5. Start Here.
  6. TEST 1: Oxygen Sensor Bank 1 Sensor 1 Test.
  7. TEST 2: Checking 12 Volts to O2 Heater.
  8. TEST 3: Checking the O2 Heater's Ground Circuit.
  9. TEST 4: Ohming the O2 Heater Element.
  10. P0135 O2 Sensor Heater Test Summary.
Buying a Digital Multimeter for Automotive Diagnostic Testing (found at: easyautodiagnostics.com).
  • Scan Tool.
    1. Don't have one?... check out my recommendation: Abe's Scan Tool Recommendation.
  • Wire Piercing Probe.
    1. Although this tool is not an absolute must, if you do buy one, you'll realize just how easy it makes testing the voltages inside the wires.
    2. If you need to see what this tool looks like, you can see it here:Wire Piercing Probe.
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  • Applies To:
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    Buick Vehicles:
    • Rainier 4.2L
      • 2004, 2005
    Chevrolet Vehicles:
    • Colorado 3.5L
      • 2004, 2005
    • Trailblazer
      • 2004, 2005
    3.5L image_thumb_home_page_1.jpg
    How To Test for a Blown Head Gasket (GM 3.5L, 4.2L)
    How to Test the MAF Sensor and Codes: P0100, P0101, P0102, P0103
    How To Test for a Blown Head Gasket (GM 3.5L -FWD)
    All Articles: 3.5L "A day without sunshine is like, you know, night"
    Steve Martin
    MORE TUTORIALS:
    image_thumb_home_page_1.jpg

    Feb 03, 2015 | 2000 Honda Accord

    1 Answer

    P0016 what is that n how u fix it


    P0016 Crankshaft Position - Camshaft Position Correlation
    P0135 O2 Sensor Heater Circuit
    P0138 O2 Sensor Circuit High Voltage
    P0340 Camshaft Position Sensor "A" Circuit
    P0344 Camshaft Position Sensor "A" Circuit Intermittent
    P0508 Idle Air Control System Circuit Low
    P0522 Engine Oil Pressure Sensor/Switch Low Voltage
    _____________--
    JMA TRS-5000 Cloning Machine

    Jun 03, 2013 | Cars & Trucks

    1 Answer

    1996 honda accord o2 sensor versus Catalytic converter codes p0135 and p0141


    The fault code P0135 means O2 Sensor Heater Circuit (Bank 1 Sensor 1)
    The code P0141 means O2 Sensor Heater Circuit (Bank 1 Sensor 2)

    Launch X431 Connector

    Aug 22, 2012 | 1996 Honda Accord

    1 Answer

    Pontiac Aztek 2001 - 3.4l (non-GT); Codes: P0135, P0141, P0420 all O2 + Converter. Ideas on problem?


    P0135 bank 1 sensor 1 open or short in wires,bad connections,bad sensor ,or bad ecm. P0141 bank 1 sensor 2 same diag as P0135. P0420 cat below threshold open or short, or faulty Ho2s sensors.you may have several problems. start with sensors circuit if good change sensors if not trace to ecm if reading not right replace ecm if all good replace sensors clear codes retest drive two drive cycles for cat to clear tests. then with no dtcs present test fuel pressure , injectors,then ignition system ,timing valves ,map,maf sensors,throttle sensor,crank sensor cam sensor, compression.

    Aug 02, 2012 | 2001 Pontiac Aztek

    1 Answer

    I'm thinking about buying a 2002 range rover. It has a service/check engine codes of 134,135,155. Is it likely to be more than oxygen sensor problems? Please reply , Mel


    with those codes showing, it could be either bad O2 sensors or there is a problem with the wiring to those sensors. Also, the wrong sensors may be installed. I'm assuming codes P0134, P0135, P0155.

    For others viewing this:

    P0134 = O2 sensor circuit-no activity detected (bank 1 sensor 1)

    P0135 = O2 sensor heater circuit malfunction (bank 1 sensor 1)

    P0155 = O2 sensor heater circuit malfunction (bank 2 sensor 1)

    Feb 11, 2011 | 2002 Land Rover Freelander

    1 Answer

    Engine light on--when do scan shows code P0135


    P0135=O2 sensor heater circuit malfunction (bank 1, sensor 1)

    O2 sensors have built in heaters to help them warm up faster. The O2 sensor in the No.1 bank of cylinders may have an inoperative heater or the wiring to the heater element is damaged. Changing that O2 sensor may correct your problem.

    Feb 03, 2011 | 2006 Honda Element

    2 Answers

    Code error number p0135


    P0134....O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1)


    P0135....O2 Sensor Heater Circuit (Bank 1 Sensor 1) heater in the O2 sensor has packed up first sensor before the cat

    Nov 27, 2010 | Jeep Grand Cherokee Cars & Trucks

    2 Answers

    Check engine lights on 99 ford ranger ODB codes 3- need solutions before in shop takes me to the bank help #1- P1506 #2- P1131 #3- P0171 I already know what they mean, got them written down. Need...


    DTC P1506 is set when the PCM detects the engine idle speed is greater than the desired rpm. This is most commonly caused by a dirty or bad IAC valve. Cleaning the throttle body will, most likely, cure this problem.

    p1131 means that the bank #1 O2 sensor, the bank closest to the firewall, cylinders 1-3 is showing a lean mixture. Could be a vacuum leak, a misfire on that bank, an exaust leak upstream of the O2 sensor, fuel control or injector problem on that bank, a faulty O2 sensor, faulty PCM, faulty wiring in the engine control wiring harness.

    P0171
    In the vast majority of cases, simply cleaning the MAF sensor does the trick. I find it's best to take it off and spray it with electronics cleaner or brake cleaner. Make sure you are careful not to damage the MAF sensor, and make sure it's dry before reinstalling also Inspect all vacuum and PCV hoses, replace if necessaryCheck for a dirty fuel filter and proper fuel pressure

    May 19, 2010 | 1999 Ford Ranger SuperCab

    2 Answers

    Need code definition for ford thunderbird 96. codes are p0135,p0155,p0304,p0172........obd2


    The only codes on your car that are only Ford codes are the one ranging in the 1000,s your codes start with 0,s there fore they are generic OBD2 codes
    P0135=O2 Sensor Heater Circuit
    P0155=O2 Sensor Heater Circuit
    P0304=Cylinder 4 Misfire Detected
    P0172=System Too Rich

    Apr 04, 2010 | 1996 Ford Thunderbird LX

    1 Answer

    Hi, Ineed asist, my car have two codes PO135 and PO1131 my car is ford ranger 1998 thanks for help mi


    the code P0135 is for high resistance or short in wiring harness or oxygen sensor bank 1, bank 1 is the bank with cylinder number 1, check the harness wiring to the O2 sensor if all is ok you should replace the O2 sensor, the P1131(bank 1 lean) code is more than likely a resulting code from the P0135. Let me know if this helps

    Jun 17, 2009 | 2001 Ford Taurus

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