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  1. #1

    Default P1351 check engine code

    my moms 97 tahoe sport has been having a starting issue thats pissin me off.... it's got a good tuneup(plugs.cap.rotor.wires) i changed the coil and the ignition control module as well and still the code stays on there it sounds like it's missing when it does get started however.... anyone have any ideas?
    it's a 350 motor vortec
    Nothin like a liftd truck goin muddn

  2. #2


    Also check fuel pressure. I kinda did a quick search on that code and looks like you have tried most of the common fixes. read this thread and maybe it will give you an idea. Not sure if it will help. Hopefully it does.
    2004 Silverado 2500 Crew Cab 4x4, AMSOIL EA air filter, Granatelli MAF sensor, Throttle body spacer, Magnaflow exhaust (true dual to 2 in 1 out muffler), 6" ProComp lift (add a leaf and 5" superlift rear block), Bilstein shocks, 35's (Cooper Disoverer ST) and 4.10 gears, Rhino Liner, EGRUSA fender Flares and widow visors, extended stainless steel brake lines, firestone airbags w/onboard air compressor, Pioneer Avic X940BT navigation, Accel backup camera.
    1960 Land Rover Series II 88
    2001 Pontiac Sunfire
    2013 Toyota Avalon Limited (Wife's Car)
    NRA Life Member

  3. #3


    that links not working lol...
    yeh i beleive i tried almost everything most common with this issue. i;ll check fuel pressure maybe i;ll be able to figure something out... now if there is no fuel pressure where would i start???

  4. #4


    it worked just a minute ago but I will try to find it again

  5. #5


    ok try this. it should be the second search result down. the one from couldn't get the link to work otherwise.

  6. #6


    Quote Originally Posted by dsfloyd View Post

    ok try this. it should be the second search result down. the one from gm - trucks. couldn't get the link to work otherwise.
    thanks for the sites im gonna look into it all thanks for your help i'll keep you posted.

  7. #7


    the code is for ign coil control circuit high voltage. doesnt neccesarily mean you have high Voltage but its a good possibility you have a short

    you need to focus on possible faulty ground or feed from ign module, poor connections at vcm or a failed vcm

    make sure you dont have any loose connectors
    Last edited by Loggerhead Mike; 10-09-2009 at 01:47 PM.

    05 silverado shortbed

  8. #8


    well i have recently searched for the same issues around all seem to be poiintng to fuel issues

    the other day mom drove the truck and it started up fine she drove down the road and it just died, no warnings just shut off...

    i beleive it's fuel related i have to hook up a fuel gauge to it under the hood...

  9. #9


    Most of the time a P1351 is caused by an ignition switch problem from what I've seen.

    2004 SILVERADO 2500HD LS
    Pro Comp Leveling Kit
    285-75-16 Cooper ST All Terrains
    Pro Comp Programmer
    Bilstein Shocks
    Linux Bed Liner
    Tinted Windows

    Other rides:

    1967 Landcruiser <350 Chevy>
    1970 Camaro
    1990 Geo Metro Convertible
    2007 FJ Cruiser

  10. #10


    thats what my uncle said to me too...
    b.c we changed the coil,igni control module

    so it could possibly be the ignition switch than right

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