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Check Engine Light & Trac Off after Headers Installation? HELP?

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Defend_Pono, Jan 21, 2016.

  1. Jan 21, 2016 at 2:47 AM
    #1
    Defend_Pono

    Defend_Pono [OP] TOYOTAHOLIC

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    Purchased New: May 15, 2015 PERFORMANCE Sittin Sic Xii Performance Drop Kit Xii Performance Front & Rear Sway Bars Pro Comp 2.5 Drop Blocks URD Maf Calibrator URD Short Shifter AFE Stage 2 TCAI Air Raid Throttle Body Spacer Volant Air Ram Intake Mod 18' Magnaflow Muffler Doug Thorley Long Tube Headers Custom 2.5 Y-Pipe Custom Transparent Orange Pexi Glass Intake Box Cover Aftermarket Blue TRD Oil Cap LIGHTING Fog Light Mod Cali Raised 3x2 LED Amber Fog Light Pod Replacements Lamin-X Fog Light Film Tint Smoked OEM LED Tail Lights Amber LED Reverse Lights Amber LED Turn Signals 8K HID Headlights White LED Dome & Map Lights Custom Retrofitted Headlights (SOLD) 2015 TRD Pro Tacoma Headlights VIPMOTOZ Sequential Side Mirror Turn Signals INTERIOR Black Dash Over Orange Ball Shift Knob TRD All Weather Floor Mats Black and Orange Wet Okole Seat Covers Ultra Gauge EM EXTERIOR TRD Pro Grille Blue Ribbon Metallic Color Matched TRD Tailgate Spoiler TRD Exhaust Tip T2 Angry Eyelids Craven Speed Shorty Antenna Tacoma Bed Mat Weather Tech Window Visors Half Evo Mod Orange Painted X-Brace 5% Tint All Around Varrstoen ES2 Wheels (SOLD) SSR Professor SP4 Wheels (SOLD) Enkei RPF1 SBC Wheels (SOLD) Extang Revolution Low Pro Bed Cover AUDIO 12” Alpine Type R Subwoofer 2 6x9 Alpine Type R Speakers Custom Ported TRD Engraved Subwoofer Box
    I've recently installed my Doug Thorley Long Tube Headers on my 2015 X-Runner this past Sunday. The install went great, everything is bolted up properly with no leaks. My headers did not come with 02 sims and I know in result I will have my check engine light on but for some reason my TRAC OFF light has came on the same time as my check engine light. I have disconnected my negative battery terminal and tightened my gas cap but it seems that doesn't solve the problem? Has anyone experienced this before after installing headers?

    image.jpg
     
    Iamraiderpower likes this.
  2. Jan 21, 2016 at 4:00 AM
    #2
    billybob50

    billybob50 Well-Known Member

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    I assume the 02 sims is a sensor you couldn't install, because there wasn't a bung installed in the header. So if it's not working or hooked up I would think, somehow it's affecting the TRAC. Get the 02 sensor mounted, before addressing the TRAC problem. Most likely I'll correct itself.
     
  3. Jan 21, 2016 at 4:24 AM
    #3
    hillbilly57

    hillbilly57 Well-Known Member

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    Trac light comes on with check engine light.all's normal! Just installed urd spec headers without simulated also,Trac and check engine light come on together.Good luck!
     
    Key-Rei and lo2hi like this.
  4. Jan 21, 2016 at 4:34 AM
    #4
    KenLyns

    KenLyns 8.75" Third Member

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    All normal and expected behavior. Install the O2 sensor simulator to make it go away.
     
    Key-Rei likes this.
  5. Jan 21, 2016 at 4:34 AM
    #5
    Kemosabe

    Kemosabe Little bitty life

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    As @hillbilly57 said, the trac light come on when check engine do. Had to change my O2 sensor when I bought my truck and both lights were on. After the repair both lights were gone.
     
  6. Jan 21, 2016 at 11:23 AM
    #6
    Defend_Pono

    Defend_Pono [OP] TOYOTAHOLIC

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    2015 X-Runner (Blue Ribbon)/2003 S-Runner (Radiant)/2015 X-Runner (Black)
    Purchased New: May 15, 2015 PERFORMANCE Sittin Sic Xii Performance Drop Kit Xii Performance Front & Rear Sway Bars Pro Comp 2.5 Drop Blocks URD Maf Calibrator URD Short Shifter AFE Stage 2 TCAI Air Raid Throttle Body Spacer Volant Air Ram Intake Mod 18' Magnaflow Muffler Doug Thorley Long Tube Headers Custom 2.5 Y-Pipe Custom Transparent Orange Pexi Glass Intake Box Cover Aftermarket Blue TRD Oil Cap LIGHTING Fog Light Mod Cali Raised 3x2 LED Amber Fog Light Pod Replacements Lamin-X Fog Light Film Tint Smoked OEM LED Tail Lights Amber LED Reverse Lights Amber LED Turn Signals 8K HID Headlights White LED Dome & Map Lights Custom Retrofitted Headlights (SOLD) 2015 TRD Pro Tacoma Headlights VIPMOTOZ Sequential Side Mirror Turn Signals INTERIOR Black Dash Over Orange Ball Shift Knob TRD All Weather Floor Mats Black and Orange Wet Okole Seat Covers Ultra Gauge EM EXTERIOR TRD Pro Grille Blue Ribbon Metallic Color Matched TRD Tailgate Spoiler TRD Exhaust Tip T2 Angry Eyelids Craven Speed Shorty Antenna Tacoma Bed Mat Weather Tech Window Visors Half Evo Mod Orange Painted X-Brace 5% Tint All Around Varrstoen ES2 Wheels (SOLD) SSR Professor SP4 Wheels (SOLD) Enkei RPF1 SBC Wheels (SOLD) Extang Revolution Low Pro Bed Cover AUDIO 12” Alpine Type R Subwoofer 2 6x9 Alpine Type R Speakers Custom Ported TRD Engraved Subwoofer Box
    Thank you guys very much! Made the worries go away!
     
  7. Jan 21, 2016 at 11:23 AM
    #7
    Defend_Pono

    Defend_Pono [OP] TOYOTAHOLIC

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    Purchased New: May 15, 2015 PERFORMANCE Sittin Sic Xii Performance Drop Kit Xii Performance Front & Rear Sway Bars Pro Comp 2.5 Drop Blocks URD Maf Calibrator URD Short Shifter AFE Stage 2 TCAI Air Raid Throttle Body Spacer Volant Air Ram Intake Mod 18' Magnaflow Muffler Doug Thorley Long Tube Headers Custom 2.5 Y-Pipe Custom Transparent Orange Pexi Glass Intake Box Cover Aftermarket Blue TRD Oil Cap LIGHTING Fog Light Mod Cali Raised 3x2 LED Amber Fog Light Pod Replacements Lamin-X Fog Light Film Tint Smoked OEM LED Tail Lights Amber LED Reverse Lights Amber LED Turn Signals 8K HID Headlights White LED Dome & Map Lights Custom Retrofitted Headlights (SOLD) 2015 TRD Pro Tacoma Headlights VIPMOTOZ Sequential Side Mirror Turn Signals INTERIOR Black Dash Over Orange Ball Shift Knob TRD All Weather Floor Mats Black and Orange Wet Okole Seat Covers Ultra Gauge EM EXTERIOR TRD Pro Grille Blue Ribbon Metallic Color Matched TRD Tailgate Spoiler TRD Exhaust Tip T2 Angry Eyelids Craven Speed Shorty Antenna Tacoma Bed Mat Weather Tech Window Visors Half Evo Mod Orange Painted X-Brace 5% Tint All Around Varrstoen ES2 Wheels (SOLD) SSR Professor SP4 Wheels (SOLD) Enkei RPF1 SBC Wheels (SOLD) Extang Revolution Low Pro Bed Cover AUDIO 12” Alpine Type R Subwoofer 2 6x9 Alpine Type R Speakers Custom Ported TRD Engraved Subwoofer Box
    Thank you man!
     
  8. Jan 21, 2016 at 11:24 AM
    #8
    Defend_Pono

    Defend_Pono [OP] TOYOTAHOLIC

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    Purchased New: May 15, 2015 PERFORMANCE Sittin Sic Xii Performance Drop Kit Xii Performance Front & Rear Sway Bars Pro Comp 2.5 Drop Blocks URD Maf Calibrator URD Short Shifter AFE Stage 2 TCAI Air Raid Throttle Body Spacer Volant Air Ram Intake Mod 18' Magnaflow Muffler Doug Thorley Long Tube Headers Custom 2.5 Y-Pipe Custom Transparent Orange Pexi Glass Intake Box Cover Aftermarket Blue TRD Oil Cap LIGHTING Fog Light Mod Cali Raised 3x2 LED Amber Fog Light Pod Replacements Lamin-X Fog Light Film Tint Smoked OEM LED Tail Lights Amber LED Reverse Lights Amber LED Turn Signals 8K HID Headlights White LED Dome & Map Lights Custom Retrofitted Headlights (SOLD) 2015 TRD Pro Tacoma Headlights VIPMOTOZ Sequential Side Mirror Turn Signals INTERIOR Black Dash Over Orange Ball Shift Knob TRD All Weather Floor Mats Black and Orange Wet Okole Seat Covers Ultra Gauge EM EXTERIOR TRD Pro Grille Blue Ribbon Metallic Color Matched TRD Tailgate Spoiler TRD Exhaust Tip T2 Angry Eyelids Craven Speed Shorty Antenna Tacoma Bed Mat Weather Tech Window Visors Half Evo Mod Orange Painted X-Brace 5% Tint All Around Varrstoen ES2 Wheels (SOLD) SSR Professor SP4 Wheels (SOLD) Enkei RPF1 SBC Wheels (SOLD) Extang Revolution Low Pro Bed Cover AUDIO 12” Alpine Type R Subwoofer 2 6x9 Alpine Type R Speakers Custom Ported TRD Engraved Subwoofer Box
    Cool I heard the URD ones are sick too! Thanks man!
     
  9. Jan 21, 2016 at 11:26 AM
    #9
    Defend_Pono

    Defend_Pono [OP] TOYOTAHOLIC

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    Purchased New: May 15, 2015 PERFORMANCE Sittin Sic Xii Performance Drop Kit Xii Performance Front & Rear Sway Bars Pro Comp 2.5 Drop Blocks URD Maf Calibrator URD Short Shifter AFE Stage 2 TCAI Air Raid Throttle Body Spacer Volant Air Ram Intake Mod 18' Magnaflow Muffler Doug Thorley Long Tube Headers Custom 2.5 Y-Pipe Custom Transparent Orange Pexi Glass Intake Box Cover Aftermarket Blue TRD Oil Cap LIGHTING Fog Light Mod Cali Raised 3x2 LED Amber Fog Light Pod Replacements Lamin-X Fog Light Film Tint Smoked OEM LED Tail Lights Amber LED Reverse Lights Amber LED Turn Signals 8K HID Headlights White LED Dome & Map Lights Custom Retrofitted Headlights (SOLD) 2015 TRD Pro Tacoma Headlights VIPMOTOZ Sequential Side Mirror Turn Signals INTERIOR Black Dash Over Orange Ball Shift Knob TRD All Weather Floor Mats Black and Orange Wet Okole Seat Covers Ultra Gauge EM EXTERIOR TRD Pro Grille Blue Ribbon Metallic Color Matched TRD Tailgate Spoiler TRD Exhaust Tip T2 Angry Eyelids Craven Speed Shorty Antenna Tacoma Bed Mat Weather Tech Window Visors Half Evo Mod Orange Painted X-Brace 5% Tint All Around Varrstoen ES2 Wheels (SOLD) SSR Professor SP4 Wheels (SOLD) Enkei RPF1 SBC Wheels (SOLD) Extang Revolution Low Pro Bed Cover AUDIO 12” Alpine Type R Subwoofer 2 6x9 Alpine Type R Speakers Custom Ported TRD Engraved Subwoofer Box
    Thanks for the help man, I do have a bung installed the only thing my headers didn't come with were the sensors!
     
  10. Jan 21, 2016 at 11:27 AM
    #10
    Defend_Pono

    Defend_Pono [OP] TOYOTAHOLIC

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    Btw do you know if the traction control won't work until I purchase the sims?
     
  11. Jan 21, 2016 at 12:25 PM
    #11
    nd4spdbh

    nd4spdbh Well-Known Member

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    One way to find out.... try and make some 11's


    Btw i commend you for living in HI and not having a hella lifted balloon tired taco. Also first xrunner i have seen thats a 12+
     
    TacoCat likes this.
  12. Jan 21, 2016 at 1:33 PM
    #12
    Kemosabe

    Kemosabe Little bitty life

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    Worried so much myself I know how you feel!
     
  13. Jan 21, 2016 at 1:56 PM
    #13
    Defend_Pono

    Defend_Pono [OP] TOYOTAHOLIC

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    Purchased New: May 15, 2015 PERFORMANCE Sittin Sic Xii Performance Drop Kit Xii Performance Front & Rear Sway Bars Pro Comp 2.5 Drop Blocks URD Maf Calibrator URD Short Shifter AFE Stage 2 TCAI Air Raid Throttle Body Spacer Volant Air Ram Intake Mod 18' Magnaflow Muffler Doug Thorley Long Tube Headers Custom 2.5 Y-Pipe Custom Transparent Orange Pexi Glass Intake Box Cover Aftermarket Blue TRD Oil Cap LIGHTING Fog Light Mod Cali Raised 3x2 LED Amber Fog Light Pod Replacements Lamin-X Fog Light Film Tint Smoked OEM LED Tail Lights Amber LED Reverse Lights Amber LED Turn Signals 8K HID Headlights White LED Dome & Map Lights Custom Retrofitted Headlights (SOLD) 2015 TRD Pro Tacoma Headlights VIPMOTOZ Sequential Side Mirror Turn Signals INTERIOR Black Dash Over Orange Ball Shift Knob TRD All Weather Floor Mats Black and Orange Wet Okole Seat Covers Ultra Gauge EM EXTERIOR TRD Pro Grille Blue Ribbon Metallic Color Matched TRD Tailgate Spoiler TRD Exhaust Tip T2 Angry Eyelids Craven Speed Shorty Antenna Tacoma Bed Mat Weather Tech Window Visors Half Evo Mod Orange Painted X-Brace 5% Tint All Around Varrstoen ES2 Wheels (SOLD) SSR Professor SP4 Wheels (SOLD) Enkei RPF1 SBC Wheels (SOLD) Extang Revolution Low Pro Bed Cover AUDIO 12” Alpine Type R Subwoofer 2 6x9 Alpine Type R Speakers Custom Ported TRD Engraved Subwoofer Box
    haha we'll see. Thanks man! Yeah there are a lot of lifted tacos here, i think it may be a little over played but i do wish i had best of both worlds, dropped and lifted. I always wanted a trail edition 4 runner lol
     
  14. Jan 21, 2016 at 4:32 PM
    #14
    KenLyns

    KenLyns 8.75" Third Member

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    X-Runners are surprisingly popular in HI. In fact I think for one of the model years 2012-2014, the XR was sold only in HI.
     
  15. Jan 21, 2016 at 4:43 PM
    #15
    nd4spdbh

    nd4spdbh Well-Known Member

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    Id believe that.... you see very few x runners here even in cali (where you see tacos left and right) and i have never seen a 12+ in person and honestly OP's is the first i have seen online.... i didnt even know they made them with the new front face.
     
  16. Apr 9, 2018 at 11:51 PM
    #16
    Zackum

    Zackum Member

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    I know this thread is a few years old... that being said, I bought my truck (2011 V6 S/C with short headers) no check engine light. I was told it has the O2 sim. I was wheeling this weekend and the check engine light came on. Cel codes. Any idea what’s causing that?

    Also, would the O2 sim make the gas mileage worse?
     
  17. Apr 10, 2018 at 1:39 AM
    #17
    Jimmyh

    Jimmyh Well-Known Member

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    Nobody will be able to give you any "good" advice until you get the CEL Code Read and post it here.

    An O2 Simulator very well will deliver poor gas mileage as the system is not getting the correct feedback to properly set the fuel air mixture.
     
    blu92in99 likes this.
  18. Apr 10, 2018 at 4:14 AM
    #18
    80schild

    80schild Well-Known Member

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    You probably have the wiring extenders along with the O2 simulator. I have had issues with dirt getting into the connections on mine, causing a 2238 code. I removed the extensions and cleaned the connectors with CRC contact cleaner and so far no more CEL.
     
  19. Apr 10, 2018 at 5:19 PM
    #19
    Zackum

    Zackum Member

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    There are wire extensions that run under the transmission. The Sensors are installed but of course I’m missing two Cats with the aftermarket headers.

    Codes are P0607, P0159 and P0156.

    As far as the gas mileage goes, would it be better to run the truck without the sim and just ignore the dash light?
     
  20. Apr 10, 2018 at 5:20 PM
    #20
    Zackum

    Zackum Member

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    I’ll try that tomorrow. Thanks!
     

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