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misfire...can someone help me out

Discussion in 'General Chevy & GM Tech Questions' started by 29897, Aug 23, 2011.

  1. 29897

    29897 New Member

    i have a 1997 5.7 silverado 4x4 i decided to replace the distribuator cap and rotor, upgraded to 8.5 mil cables, and went with oem spark plugs, after installing this my truk started to miss fire can anyone help me troubleshoot this form wat i know the firing or is 1-8-4-3-6-5-7-2
    and that all the order of the sparkplugs are odd on the driverside the furthest one being #1 and the passenger side are all even the furthest one being #2 maybe im wrong idk would appreciate any help thanks
     
  2. mfleetwood

    mfleetwood Rockstar 4 Years ROTM Winner 5000 Posts

  3. vncj96

    vncj96 Epic Member 5+ Years 1000 Posts

    If its missfiring what cylinder is it at? Have you checked the distributer and rotor to make sure they were reinstalled at the correct poistion. Do you have all the wires going to the correct cylinders?
     
  4. Ethan

    Ethan Rockstar 100 Posts

    Replace the ignition coil, it's like $40 for a performance one, and are you using Platinum plugs? If you're using copper top it'll melt those things and can cause a miss.
     
  5. 2COR517

    2COR517 Epic Member 5+ Years 1000 Posts

    When you say "furthest", do you mean furthest from the distributor? #1 and #2 are at the front of the engine.

    ---------- Post added at 08:17 AM ---------- Previous post was at 08:16 AM ----------

    Are you saying using copper plugs in this truck will cause them to melt?
     
  6. murdog94

    murdog94 Epic Member 5+ Years 5000 Posts

    X2 we need a bit more info, or furthest from the Firewall.
     

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