GM Truck Club
THE PREMIER CHEVY TRUCK & SUV FORUM
Founded in 2004 ~ We're the #1 Chevy Truck & SUV Forum.
Silverado & Sierra | Tahoe & Yukon | Suburban & Yukon XL | SUV & CROSSOVER
Results 1 to 4 of 4
  1. #1

    Default 1998 blazer 4.3 no spark. need help

    truck has no spark ..new coil,distributor,cam sensor, still no spark.. no blown fuses. anybody have any input on what i could check.. haw many engine grounds are there in the engine compartment. i only see the the one braded gorund strap. im thinking its a ground wire i just dont no were to look.
    Last edited by corvette; 05-19-2011 at 03:09 PM.

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

    Default

    Have you checked the ignition module??
    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

    Default no spark ..yes i replaced it with a new one

    yes i replaced it with a new one .. sombody told me ther are 3 engine grounds but i dont no were to look

  4. #4
    Legend
    murdog94's Avatar
    Join Date
    Feb 2008
    Location
    Cloquet, Minnesota, United States
    Posts
    8,198
    Blog Entries
    12

    Default

    There is the main battery ground, and then you have the one to the rear of the engine, but what sounds odd is you might have a bad PCM if that rear ground is good.
    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!!!!"

Similar Threads

  1. Spark Plug Suggestions - 1998 GMC Sierra Z71.
    By countryboy73703 in forum Maintenance & Upkeep
    Replies: 9
    Last Post: 10-10-2010, 02:42 PM
  2. 1998 Blazer questions
    By otis24 in forum Chevy Blazer Forum (GMC Jimmy)
    Replies: 1
    Last Post: 12-05-2008, 12:14 AM
  3. Replies: 0
    Last Post: 06-29-2007, 07:26 AM
  4. (1998 Chevrolet Blazer 4 Dr LT SUV Review): crash test
    By Steve in forum Chevy Blazer Forum (GMC Jimmy)
    Replies: 0
    Last Post: 06-29-2007, 07:26 AM
  5. (1998 Chevrolet Blazer Photo): images/1998_Whiskers_Blazer.jpg
    By Steve in forum Chevy Blazer Forum (GMC Jimmy)
    Replies: 0
    Last Post: 06-29-2007, 07:26 AM

Tags for this Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •