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  1. Question of the Day-Plug gap 0.60 or 0.40 on a Vortec

    General Chevy & GM Tech Questions
    I've been seeing some guys talking bout setting the gap of the plugs in a vortec down to 0.40 instead of 0.60, mine are at 0.60 and it runs good but if dropping it down to 0.40 will help it out I will do it but I aint found a straight answer on it really so lets get some feedback on this cause...
  2. high beams not working.

    Chevy Silverado Forum (GMC Sierra)
    the bulbs are ok, fuses are ok,(which both sides run off separate fuses). And when I put the high beams on, the symbol shows they are on but not working. So what can I look at next? Is there a relay I'm missing, or possibly need to replace the switch? Any help is appreciated. Thanks!!
  3. Quick fix for code p0446 evap emissions vent circuit low.

    How-to Guides
    As the title says: some might have an ses p0446, evap emissions vent circuit low. If you take it to the dealer they want 300-400.00 to fix the problem. GM has a service bulletin on this condition and have the updated part for 180.00, thats suppose to eliminate this issue. Basically the problem...
  4. what is proper plug gap on a 98 vortec 5.7?

    General Chevy & GM Tech Questions
    i am going to install a new set of plugs on my 98 silverado. i dont have a manual. i am looking for the proper spark plug gap for a vortec 5.7L?
  5. Filling gas tank and pump keeps shutting off, replaced vent valve already

    General Chevy & GM Tech Questions
    I did browse the first thread on here but my 05 Suburban has never thrown a code. bought it with 91k and it now has about 165k http://www.gmtruckclub.com/forum/threads/how-to-fix-code-p0449-evap-pics-video-and-part-s.110446/ Issue is as stated. Can fill about a half gallon at a time unless i...
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