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  1. #1

    Default Hi there from Vancouver, WA

    Hi guys! Just found this forum over the weekend while searching for some help, so I figured I should join.

    I have a 1998 GMC 2500 3/4 w/ 7.4l (will get pics up soon).

    Last week I got a check engine light and borrowed a code reader to see whats up. Ended up with 2 codes: P0141 - O2 sensor heater cicuit malfunction bank 1 sensor 2; P1415 manufacturer control auxillary emission control. After resetting the faults, only he P1415 keeps coming back.

    It's for the air pump, or smog pump as some call it. Everything appears to be working normally, it comes on when the engine is cold and kicks out after a short while. The diverter valve also looks good according to the Haynes manual test procedure.

    Somehow, I don't think that the pump is the reason for the faults, maybe a bad O2 sensor - emmisions related problems are hard to diagnose from my past experience.

    Anyways, if somebody has some past experience with this or any clues, I would appreciate it since I need to pass DEQ by the end of the month.

    Thanks alot.

  2. #2
    Legend
    murdog94's Avatar
    Join Date
    Feb 2008
    Location
    Cloquet, Minnesota, United States
    Posts
    8,198
    Blog Entries
    12

    Default

    Welcome aboard. You will get more responses if you post your questions in the appropriate subforum since that is where most hang out. Good luck finding the fix!
    Mike

    Currently

    1997 Chevy S-10 Blazer 4X4 with 330K miles and counting (Hunting rig).

    2009 Saturn Aura XE (wifes car)

    2011 F-150 Crew 4X4

    "Hold it to the floor till you see God.... Then Brake!!!!"

  3. #3
    Master Mechanic TexasEdition's Avatar
    Join Date
    Dec 2010
    Location
    Texas Hill Country
    Posts
    656

    Default

    Greetings........

    2009 Tahoe LTZ (Blue Granite ext/
    light & dark cashmere int)
    5.3L Vortec V8 6 speed trans.,
    HD towing, Leather interior,
    20" chrome wheels, chrome door
    handles/grill/mirrors, & CD/DVD w/Bose.
    2010 Silverado LT Texas Edition
    (Black ext/Light titanium-ebony int.)
    5.3L V8, 6 speed trans, HD towing,
    20" chrome wheels, chrome door
    handles/grill/mirrors, CD, Raptor 5"
    Magnum nerfs, & Speedliner bed liner.

  4. #4
    Legend
    stephan's Avatar
    Join Date
    Sep 2010
    Location
    Far West, Oregon USA,
    Posts
    8,606
    Blog Entries
    1

    Default

    Welcome to the club Iron Man
    1988 Chevy C-3500 2wd (no pic)
    350 c.i. 5.7 L Stock Block, 4 Bolt Mains
    L-31 Vortec Heads, Edelbrock Cam & Intake,
    Holley 650, Flowtech Headers, Magnaflow exh.
    Jet Trans 700R4, B&M Ratchet, 4:10 gears,
    3" susp. lift kit "shadetree"
    No rev limiter, No speed limiter lol


  5. #5
    Legend Bigbomber's Avatar
    Join Date
    Feb 2010
    Location
    Winnipeg,Manitoba,Canada
    Posts
    5,089

    Default

    Welcome to the club!
    [/SIGPIC]2009 Chevy Silverado LT 1500 EXT CAB 4X4 Vortec 4.8L SFI,K&N air filter,Weathertech Floor Liners ,Weathertech Stone/Bug Deflector, Line X Spray On Bedliner, TruXport Rollup Tonneau Cover, Molded Mudguards, Viper 5701 LE 2 way Security Alarm/Remote Starter, Xm Satelite Radio,BILSTEIN 5100 rear shocks,BILSTEIN 5100 front levelling shocks,READYLIFT 2" rear lift blocks,Goodyear Wrangler Territorys -265/70R 17"

  6. #6

    Default

    Welcome to the G M T C !


    2010 Z/71 Colorado C/C
    Black 4X4 w/5.3L V8
    ===============
    2007 Winnebago Adventurer
    w/8.1L Chevy & Allison 6spd.
    Canyon Lake, Texas

  7. #7

    Default

    Welcome to the club!

    Bobby - North Carolina
    2008 4x4 5.3L V8
    6" Suspension Lift and 1.5" Body Lift
    20x9 Ballistic Jesters w/35" Toyo Open Country MT's & 1.5" rear wheel spacers
    4:56 Yukon Gears
    Hypertech Speedometer Calibrator
    Baja style bed mount spare tire carrier
    Flowmaster 40 series dual exhaust
    Recon Smoked LED tails/3rd brake lights/black projectors w/switchback LED's in the corners
    N-Fab Nerf Steps
    K&N CAI
    No Fear Pedals
    Tint, Line-X bedliner, Window visors, Rear wheel well liners
    Painted front grill, bow ties and door badges, de-"lettered" tailgate
    Powder coated front and rear bumpers

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