1. Welcome to Tacoma World!

    You are currently viewing as a guest! To get full-access, you need to register for a FREE account.

    As a registered member, you’ll be able to:
    • Participate in all Tacoma discussion topics
    • Communicate privately with other Tacoma owners from around the world
    • Post your own photos in our Members Gallery
    • Access all special features of the site
    Quick Links: Replace Coil Springs Yes? or No? with Constant Rate Spring Driveline Clunk Possibilitys? Headlight connector rust cleaning Exhaust Hangers: Tips for removal/installation? Whats a good leveling strut? Just bought 03 Taco. Need Help on Fluids for Diff/Tranny.

02 oxygen sensor voltage?

Discussion in '1st Gen. Tacomas (1995-2004)' started by Takoeye808, Nov 7, 2020.

  1. Nov 7, 2020 at 1:35 PM
    #1
    Takoeye808

    #1
    Takoeye808 [OP] New Member

    Joined:
    Sep 5, 2020
    Member:
    #339866
    Messages:
    1
    Gender:
    Male
    First Name:
    TakoTaco's
    Wai'anae,oahu
    Vehicle:
    02 Tacoma 3.4L prerunner
    K&n air fliter,3"/2" lift,265/75/16 tires
    Aloha gang,so I've got a 02 tacoma,v6 trying to figure out if catalytic converter is bad or o2 sensor, was getting p0420 but hasn't come in a while. Air/fuel sensor changed 1 year ½.voltage shows .45-.70 while driving via fixd app.any help is appreciated.
     
    Takoeye808, Nov 7, 2020
    #1
    Taco critter likes this.
  2. Nov 7, 2020 at 1:48 PM
    #2
    Black DOG Lila

    #2
    Black DOG Lila Well-Known Member

    Joined:
    Jun 14, 2019
    Member:
    #296344
    Messages:
    9,116
    Virginia
    Vehicle:
    2003 Tacoma SR5 2.7 5 speed 4WD
    Stock. EZ pass.Dump pass.Inspection sticker.Convict printed lic.plates.FG cap.
    Hi Tyler
    Welcome to TacomaWorld
    A/F sensor data will be a rapidly fluctuating jagged wave of milliamp data while running.
    Exhaust leaks upstream can also throw the code.
     
    Black DOG Lila, Nov 7, 2020
    #2
    Taco critter likes this.
  3. Nov 15, 2021 at 4:56 PM
    #3
    Thelum

    #3
    Thelum Well-Known Member

    Joined:
    Aug 9, 2018
    Member:
    #262299
    Messages:
    58
    Rochester, NY
    Vehicle:
    2003 Xtra Cab 4X4
    What did it end up being? Same thing is going on with my '03.
     
    Thelum, Nov 15, 2021
    #3

Products Discussed in

Ford Genuine Ford Fluid XT-M5-QS Full Synthetic Manual Transmission Fluid - 1 Quart , black
$32.58
FK Bearings WSSX16T Spherical Bearing with Teflon, 1" (1-3/8 Wide), 1 Pack
$56.99
AutoLine Pro EVAP High Volume Smoke Machine Leak Tester – Shop Series - Automotive Smoke Tester for Vacuum Leak Detection - Car Smoke Machine with Ceramic Smoke Coil and Best Ranked Smoke Fluid
$67.98
Bilstein 33-230337 Monotube Shock Absorber, 46mm
$112.00
Toyota Genuine Fluid 00295-00103 Formed-in-Place Oil Pan Gasket - 3 oz. Tube
$20.44
Mobil 1 104361 75W-90 Synthetic Gear Lube - 1 Quart (Pack of 2)
$28.27
Denso 234-4162 Oxygen Sensor with 4-Wire 10.5” Harness for Non-California, Non-4WD Lexus/Toyota
$50.75
Lisle 36050 Valve Keeper Remover and Installer Kit
$57.23
Exterior Front Driver & Passenger Door Handle Set, Upgraded Metal, Compatible with 1995-2004 Toyota Tacoma - Textured Black - 69220-35020, 69210-35020, 79345, 91318, 79344, 91319, TO1311117, TO131011
$64.97
Solary Automotive Smoke Machine Leak Detector - 12V DC EVAP Vacuum Diagnostic Tester for Pipe System
$77.98
Wilwood 260-8419 Adjustable Proportioning Valve Knob,Silver
$48.44
AISIN FCT-013 Engine Cooling Fan Clutch - Compatible with Select Toyota 4Runner, T100, Tacoma, Tundra
$88.79
MOOG K90255 Front Upper Suspension Ball Joint for Toyota Tundra
$24.05
82141-04M40
$30.83
BETOOLL Fuel Pressure Test Kit 0-100PSI with 9.497.896.30 Fuel Line Fittings
$32.99
Lisle 24680 Spill-Free Funnel, Standard Adapters, 11 x 7 x 7"es
$33.45
MOOG K90258 Front Left Lower Suspension Ball Joint for Toyota Tacoma
$36.56
Innova 5210 OBD2 Scanner & Engine Code Reader, Battery Tester, Live Data, Oil Reset, Car Diagnostic Tool for Most Vehicles, Bluetooth Compatible with America's Top Car Repair App
$79.98
WINTOOLS 27 Pcs Universal Press & Pull Sleeve Kit Bush Bearing Removal Insertion Tool Set
$96.00
Denso 234-9026 Air Fuel Sensor
$130.88
Denso 234-9002 Air Fuel Ratio Sensor
$134.99
Useful Magnets | R-134A Temperature Pressure Magnetic Chart | Flexible Magnetic Sheet for R-134A System Pressure | Waterproof Magnet Poster for Quick Reference in Garage or Workshop | 5.5" x 4.25"
$9.99
tesa 51036 High-Performance PET Cloth Automotive Wire Harness Tape, Black, 19mm x 25m, 1 Roll
$6.73
Lifede Battery Terminals,Car Battery Cable Terminal Clamps Connectors,Negative and Positive,Copper,Plastic Cover,Good Contact,Corrosion Resistance,1 Pair, Applicated in Car,Van and More.
$7.99
NGK Spark Plug Stock # 3967
$6.99
1.5-Feet Nema 10-30P to 6-50R 30 Amp Dryer Male to 50 Amp Welder Female Adapter Cable 250V, 6-50 Welder Power Converter 10-30 30A to 6-50 50A Welding Adapter Cable
$19.98
EVIL ENERGY 5/32 1/4 5/16 3/8 Silicone Vacuum Tubing Hose Line Kit 5FT 4PCS 130PSI Max Pressure (4mm 6mm 8mm 10mm)
$21.99
20Ft Car Door Seal Strip,U-Shaped Automotive Weather Stripping Rubber Seal Strip with Metal Clips,Universal Push-in Car Door Edge Guards Fits Car Truck Boat RV Home (20Ft)
$18.77
Denso (3194) K16TR11 Spark Plugs, Pack of 4
$17.25
Custom Shop 4" x 1/4" Textured Bed Liner Roller Covers (Pack of 3) for Roll-On Custom Coat Truck Bedliner Coating Application - Create Texture Effect with Paint and Non-Skid Protective Coatings
$15.99
AISIN WPT-044 New Engine Water Pump with Gasket - Compatible with Select Toyota 4Runner, T100, Tacoma
$57.29
Spicer 5-1330-1X U-Joint Kit
$40.13
Alpine 8" Amplified Subwoofer (PWE-S8) 120W Compact Powered 8" Car Subwoofer for Under or Behind The Seat
$329.90
Toyota/ exxon mobil Case of 6 Quarts Full Synthetic TGMO SN 0W-20 Oil
$51.50
Toyota Genuine 2020-2021 Tacoma TRD PRO 16" Matte Black Wheel PT946-35200-02 w/Center Cap
$277.44
BAOFENG UV-5R VHF/UHF Dual Band Radio 144-148MHz 420-450MHz Transceiver
$17.89
MOOG K90261 Front Right Lower Suspension Ball Joint for Toyota Tacoma
$34.00
MOOG K90260 Front Left Lower Suspension Ball Joint for Toyota Tacoma
$33.99
ARP 100-7718 Wheel Stud Kit for Toyota
$39.52
Hellwig 550 EZ-550 Helper Spring Kit
$104.64
6" Black SEW-ON Hook and Loop Fastener - Hook Side ONLY - 1 Yard
$7.49
AEM (30-4110) UEGO Air/Fuel Ratio Gauge
$184.95
To Top