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P0171 too lean bank one

Discussion in '1st Gen. Tacomas (1995-2004)' started by Danberry2242, Jul 3, 2017.

Page 3 of 3
  1. Oct 17, 2019 at 12:59 PM
    #41
    1997tacomav6

    #41
    1997tacomav6 V6 5sp,RegCab,TVS1320 Supercharger,Haltech, 800k

    Joined:
    Oct 5, 2013
    Member:
    #113940
    Messages:
    10,385
    Gender:
    Male
    First Name:
    John
    Denver
    Vehicle:
    97 reg cab, v6 5sp 300hp supercharged, Methonal Injection, 800,001 plus miles, Original Owner
    V6 5sp,RegCab,TVS1320 Supercharger, 56mm pulley, methanol injected Haltech ECU, AC Tvs1320 supercharger,(MUST DO) every 125,000- 150,000 needs rebuild Projector headlights HID 5 speed manual Amsoil for all drive train Smaller 56mm custom pulley, (MUST DO) 2004 DESNO fuel injectors, zero ping ping, 2004 side door mirrors Dick Cepek Rims, Michelin tires LTX, ATM Pathfinders Dynopro ATM ( that last 100,000 miles) Now running Dynopro ATM mud and snow tires KN cold air intake Cat back dual exhaust with ss exhaust tip, Raised exhaust tail pipe to 2" below body line Optima*dry cell battery,red top Alpine sirius radio, 200 watt amp, focal is165 split door pod speakers Focal door speakers Subwoffer behind seat Viper alarm, Electric Locks Dark tinted windows, bucket seats corbeau lg1 Tacoma Rubber floor mats TRD fender extenders, Bilstien shocks, King shocks JBA UCA trailer iv hitch, electric brake control, Drilled slotted brakes, High carbon steel (MUST DO) EBS green stuff 7000 series pads(MUST DO) TRD engine oil cap TRD stick shift, Marlin crawl shift kit. Rear sliding window 2002 4Runner functional hood scoop cut into Tacoma hood, 4Runner dual overhead map light Gentex Auto dim + Compass + Temp, garage,rearview mirror Snow Methonal kit stage 2 Custom 3 core aluminum radiator Linex bed liner Haltech stand alone ECU, Intake supercharger gauge. Stainless steel brake lines, Custom leather wrapped steering wheel, Haltech stand-alone ECU,
    So just back from a good 2 hour drive with the new fuel pump.

    ECU is still not complete reset but the good news is,

    The positive fuel trims maxed at + 4 one time and held steady for the most part at 0 to +2,
    And big difference from +25 with the old pump.
    The beautiful thing about long term fuel trims info is it tells you exactly what’s going on in this situation.

    So for the stock fuel pump staying at 0 to +3 tells me the pump is more than capable of delivery needed.

    SO the problem was 100 percent a weak fuel pump.

    045D8EC3-016D-4B86-8C43-B6E59EB525ED.jpg
    E208332F-FFF7-417E-A3BE-E73EDEC0C95E.jpg
     
    1997tacomav6, Oct 17, 2019
    #41
    cruiserguy and eon_blue[QUOTED] like this.
  2. Oct 17, 2019 at 1:01 PM
    #42
    mechanicjon

    #42
    mechanicjon They call me "Jonny Stubs"

    Joined:
    Dec 2, 2016
    Member:
    #203828
    Messages:
    10,141
    Gender:
    Male
    First Name:
    Jon
    Scottsdale Arizona
    Vehicle:
    04 Taco SC 4dr SR5 TRD Prerunner
    Supercharged, AEM FIC/6, Meth Inj, ION Alloy's, Radio & Phone steering Wheel controls,Fabtech AAL, Billie's wrapped with 880's , Tundra big brake conversion, bully bars and Pioneer DDin Stereo/dvd with exterrnal usb ports. 290K and going strong.
    mechanicjon, Oct 17, 2019
    #42
    cruiserguy likes this.
  3. Oct 17, 2019 at 1:05 PM
    #43
    1997tacomav6

    #43
    1997tacomav6 V6 5sp,RegCab,TVS1320 Supercharger,Haltech, 800k

    Joined:
    Oct 5, 2013
    Member:
    #113940
    Messages:
    10,385
    Gender:
    Male
    First Name:
    John
    Denver
    Vehicle:
    97 reg cab, v6 5sp 300hp supercharged, Methonal Injection, 800,001 plus miles, Original Owner
    V6 5sp,RegCab,TVS1320 Supercharger, 56mm pulley, methanol injected Haltech ECU, AC Tvs1320 supercharger,(MUST DO) every 125,000- 150,000 needs rebuild Projector headlights HID 5 speed manual Amsoil for all drive train Smaller 56mm custom pulley, (MUST DO) 2004 DESNO fuel injectors, zero ping ping, 2004 side door mirrors Dick Cepek Rims, Michelin tires LTX, ATM Pathfinders Dynopro ATM ( that last 100,000 miles) Now running Dynopro ATM mud and snow tires KN cold air intake Cat back dual exhaust with ss exhaust tip, Raised exhaust tail pipe to 2" below body line Optima*dry cell battery,red top Alpine sirius radio, 200 watt amp, focal is165 split door pod speakers Focal door speakers Subwoffer behind seat Viper alarm, Electric Locks Dark tinted windows, bucket seats corbeau lg1 Tacoma Rubber floor mats TRD fender extenders, Bilstien shocks, King shocks JBA UCA trailer iv hitch, electric brake control, Drilled slotted brakes, High carbon steel (MUST DO) EBS green stuff 7000 series pads(MUST DO) TRD engine oil cap TRD stick shift, Marlin crawl shift kit. Rear sliding window 2002 4Runner functional hood scoop cut into Tacoma hood, 4Runner dual overhead map light Gentex Auto dim + Compass + Temp, garage,rearview mirror Snow Methonal kit stage 2 Custom 3 core aluminum radiator Linex bed liner Haltech stand alone ECU, Intake supercharger gauge. Stainless steel brake lines, Custom leather wrapped steering wheel, Haltech stand-alone ECU,
    No excuses now.

    Here are the XCODES you need.

    75932CB1-F44B-4DC2-A3A8-F83D36A3CD03.jpg
     
    1997tacomav6, Oct 17, 2019
    #43
    austinsdad99 and cruiserguy like this.
  4. Oct 17, 2019 at 1:38 PM
    #44
    mechanicjon

    #44
    mechanicjon They call me "Jonny Stubs"

    Joined:
    Dec 2, 2016
    Member:
    #203828
    Messages:
    10,141
    Gender:
    Male
    First Name:
    Jon
    Scottsdale Arizona
    Vehicle:
    04 Taco SC 4dr SR5 TRD Prerunner
    Supercharged, AEM FIC/6, Meth Inj, ION Alloy's, Radio & Phone steering Wheel controls,Fabtech AAL, Billie's wrapped with 880's , Tundra big brake conversion, bully bars and Pioneer DDin Stereo/dvd with exterrnal usb ports. 290K and going strong.
    like i said:smack:

    Thank you
     
    mechanicjon, Oct 17, 2019
    #44
    1997tacomav6[QUOTED] likes this.
  5. Oct 17, 2019 at 1:50 PM
    #45
    1997tacomav6

    #45
    1997tacomav6 V6 5sp,RegCab,TVS1320 Supercharger,Haltech, 800k

    Joined:
    Oct 5, 2013
    Member:
    #113940
    Messages:
    10,385
    Gender:
    Male
    First Name:
    John
    Denver
    Vehicle:
    97 reg cab, v6 5sp 300hp supercharged, Methonal Injection, 800,001 plus miles, Original Owner
    V6 5sp,RegCab,TVS1320 Supercharger, 56mm pulley, methanol injected Haltech ECU, AC Tvs1320 supercharger,(MUST DO) every 125,000- 150,000 needs rebuild Projector headlights HID 5 speed manual Amsoil for all drive train Smaller 56mm custom pulley, (MUST DO) 2004 DESNO fuel injectors, zero ping ping, 2004 side door mirrors Dick Cepek Rims, Michelin tires LTX, ATM Pathfinders Dynopro ATM ( that last 100,000 miles) Now running Dynopro ATM mud and snow tires KN cold air intake Cat back dual exhaust with ss exhaust tip, Raised exhaust tail pipe to 2" below body line Optima*dry cell battery,red top Alpine sirius radio, 200 watt amp, focal is165 split door pod speakers Focal door speakers Subwoffer behind seat Viper alarm, Electric Locks Dark tinted windows, bucket seats corbeau lg1 Tacoma Rubber floor mats TRD fender extenders, Bilstien shocks, King shocks JBA UCA trailer iv hitch, electric brake control, Drilled slotted brakes, High carbon steel (MUST DO) EBS green stuff 7000 series pads(MUST DO) TRD engine oil cap TRD stick shift, Marlin crawl shift kit. Rear sliding window 2002 4Runner functional hood scoop cut into Tacoma hood, 4Runner dual overhead map light Gentex Auto dim + Compass + Temp, garage,rearview mirror Snow Methonal kit stage 2 Custom 3 core aluminum radiator Linex bed liner Haltech stand alone ECU, Intake supercharger gauge. Stainless steel brake lines, Custom leather wrapped steering wheel, Haltech stand-alone ECU,
    Just curious, how does one tell when the relearning process is completed with the ECU?
     
    1997tacomav6, Oct 17, 2019
    #45
  6. Oct 17, 2019 at 2:37 PM
    #46
    austinsdad99

    #46
    austinsdad99 Well-Known Member

    Joined:
    May 30, 2017
    Member:
    #220261
    Messages:
    511
    Gender:
    Male
    Vehicle:
    1999 prerunner 3.4
    austinsdad99, Oct 17, 2019
    #46
    1997tacomav6 likes this.
Page 3 of 3

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