Dismiss Notice

Welcome To CK5!

Registering is free and easy! Hope to see you on the forums soon.

Score a FREE t-shirt and membership sticker when you sign up for a Premium Membership and choose the recurring plan.

Help me! Blazer died while sitting at a light

Discussion in 'The Garage' started by my87Half-ton k5, Jan 12, 2006.

  1. my87Half-ton k5

    my87Half-ton k5 Registered Member

    Joined:
    Jan 9, 2006
    Posts:
    35
    Likes Received:
    0
    Location:
    NH
    hey whats up all.
    so heres the scenario
    i attempt to start my blazer this morning and it fires but just doesnt wanna start...it rained really really hard last nite so i figure water in it or something...finally i get it going and its runnin a tad rough but im like w/e itll go away..it was also idling particularly high.drove to the gas station put in like 3 gals of 93 and im off....she didnt seem to have as much power but she drove OK.i get into the next town over and am at a light and shes still idling high so i put it into neutral and rev it a bit and notice that it hesitates a bit...rev it again and it hesitates some more and then dies...wont start at all ...no check eng. light nuthin( and yes the check eng. light works) i **** around with it a bit find that the distributor cap is loose on the back screw and that there are a couple vacuum lines that are splitting at the ends..i trim the lines and tighten the dist. cap screw and my buddy came by and attempts to jumpstart me cuz by now my battery is low....well he gets it running by holding it to the floor cuz its severly flooded for some reason
    ..she idles and stuff but i can tell shes misfiring...if i mash the gas it seems to run better but ****ty at idle although the rpms were more where they needed to be...so i put it in drive but she just bogs and dies..its had a recent tune up and is gettin plenty of gas and spark...checked the plugs and they were ok electrodes are square just black cuz its been running rich it seems...btw they are ac delco plugs...just regular ones.
    anybody have any ideas what might be causing this...thing ran fine before and i havent ****ed with anything between today and the last time it was driven....
    by the way its an 87 TBI 350
    thanks
    matt
     
  2. BigOrange90Jimmy

    BigOrange90Jimmy 1/2 ton status Premium Member

    Joined:
    May 24, 2002
    Posts:
    2,923
    Likes Received:
    0
    Location:
    Wilmington, NC
    Sounds like a coil or ICM trying to go out on you.
     
  3. my87Half-ton k5

    my87Half-ton k5 Registered Member

    Joined:
    Jan 9, 2006
    Posts:
    35
    Likes Received:
    0
    Location:
    NH
  4. my87Half-ton k5

    my87Half-ton k5 Registered Member

    Joined:
    Jan 9, 2006
    Posts:
    35
    Likes Received:
    0
    Location:
    NH
    im gettin great spark
     
  5. goldwing2000

    goldwing2000 Guest

    Any reason you posted this twice in the same forum?
     
  6. Greg72

    Greg72 "Might As Well..." Staff Member Super Moderator

    Joined:
    Mar 5, 2001
    Posts:
    15,684
    Likes Received:
    1,392
    Location:
    642 Days to BB2018
    I had an '88 for a brief period and had a similar problem....

    There is a relay that commonly craps out (usually on the firewall on the PS) and then some other doo-hickey that was in the distributor IIRC....

    The total parts cost was less than $40 to fix it....but as you can tell, the details are a little vague to me now.

    You can do a "search" of my old posts (at least 2 years ago) and probably find it, or someone who helped me back then may chime in on this post....

    Don't panic. It's probably something easy and cheap.


    :thumb:
     
  7. sandawgk5

    sandawgk5 3/4 ton status

    Joined:
    Oct 28, 2003
    Posts:
    6,881
    Likes Received:
    1
    Location:
    Kitsap County PACNORWEST
    I replied to the other thread as I did not see this one.:o . When mine did this it was a stuck open injector (like something got in the injector). I found it by umplugging one injector at a time and tried to crank it. When I unplugged one it ran so I switched which one was plugged in and it did not run and the unplugged injector was still pouring fuel into the TB. The running while keeping the gas pressed makes me believe this may be the problem as that is what I had to do with mine. You say you have fuel as indicated by a "flooding" the relay Greg72 spoke of is the fuel pump relay on the firewall and the module is in dizzy is the ECS if that goes it will not allow the injectors to open at all. It figures if there is no spark there is no need for fuel. If either of those was the problem you most likely would not have any fuel rather than a flooding problem. Test by unhooking one injector at a time and post up the results.

    Ira
     

Share This Page