Po300 random misfire is back - FirebirdV6.com/CamaroV6.com Message Board

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Po300 random misfire is back

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  • #16
    Found a interesting YouTube video on LS engines , they have a problem with aftermarket cams, they throw a PO300 also, so that makes me feel better. It was called Tech Tuesday and they just disable the code with Hptuners. Im not going to go that far as in disabling it with Hptuners, I'll just keep a eye on it and if it gets annoying enough I'll disable it.
    08' L76 6.0L 4X4 Chevy EXT.Cab LTZ Vortec MAX with Snug top cover, Dynomax exhaust,Hptuners& K&N intake
    96' Camaro M5 to A4 conversion, alot of mods . GT35R Turbo full suspension. Built engine

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    • #17
      Got the new idler pulley and altenator on , idler was pretty bad, but thats 15 years on it. Altenator was about 10 years , 200 amp DB electrical It makes alittle noise and its showing its age. Just put 1 of the 3 ac/delco altenators I have in, ill see if I can get the 200 amp rebuilt.
      Last edited by ssms5411; 11-22-2018, 06:20 PM.
      08' L76 6.0L 4X4 Chevy EXT.Cab LTZ Vortec MAX with Snug top cover, Dynomax exhaust,Hptuners& K&N intake
      96' Camaro M5 to A4 conversion, alot of mods . GT35R Turbo full suspension. Built engine

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      • #18
        Went ahead and deleted the po300 code, just tired of it popping up, if the engine blows , ill just have it rebuilt.lol
        08' L76 6.0L 4X4 Chevy EXT.Cab LTZ Vortec MAX with Snug top cover, Dynomax exhaust,Hptuners& K&N intake
        96' Camaro M5 to A4 conversion, alot of mods . GT35R Turbo full suspension. Built engine

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        • #19
          Took it out today, runs outstanding, got some smoke out of it , after getting on it but I would assume it was all the seafoam I've put in it. So glad to have it running great again.
          08' L76 6.0L 4X4 Chevy EXT.Cab LTZ Vortec MAX with Snug top cover, Dynomax exhaust,Hptuners& K&N intake
          96' Camaro M5 to A4 conversion, alot of mods . GT35R Turbo full suspension. Built engine

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          • #20
            +1 I tuned that code out ages ago.
            Drivetrain Moderator - "There are no stupid questions, only stupid people!"

            2001 Pewter Firebird Y87, M5
            Intake, exhaust, just about every suspension part, alum flywheel & ds, Turn One p/s pump and cooler

            Go Sabres!

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            • #21
              Originally posted by zlexiss View Post
              +1 I tuned that code out ages ago.
              Good to know I'm not the only one, thanks.
              08' L76 6.0L 4X4 Chevy EXT.Cab LTZ Vortec MAX with Snug top cover, Dynomax exhaust,Hptuners& K&N intake
              96' Camaro M5 to A4 conversion, alot of mods . GT35R Turbo full suspension. Built engine

              Comment

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