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Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum > 2002 - 2009 TrailBlazer/Envoy Tech > 02-09 Vortec 4.2L I-6 Engine and Drivetrain Engine Tunes/Mods User Name Remember Me? Password Register Mark Forums Read Auto Escrow Insurance Advertise Engine Tunes/Mods Performance Engine Tuning/Engine Modifications TrailVoy.com is the premier GMC Envoy Forum on the internet. Registered Users do not see the above ads. Page 1 of 70 1 2 3 4 5 11 51 > Last » Threads in Forum : Engine Tunes/Mods Forum Tools   Rating Thread / Thread Starter Last Post Replies Views   4.2 6 engine issues ?? Mario2k4 10-06-2019 02:35 PM by Mario2k4 0 532   05 pcm ecm dh4645 09-23-2019 09:01 PM by dh4645 4 472   What weight oil do you use? ‎( 1 2) JBMallory 09-12-2019 12:57 AM by LSXHP 14 88,600   trailblazer LS 5.3 to lq4 swap redLSblazer 09-12-2019 12:48 AM by LSXHP 1 2,031   Engine Knocking or Noise jacksonvill 09-12-2019 12:46 AM by LSXHP 1 593   turbo manifold bhearts77 09-11-2019 08:09 PM by B_rock 2 1,020   Clutch and codes? ‎( 1 2) 45Frank 07-25-2019 07:32 AM by 45Frank 11 1,387   More horsepower tcaudill 07-24-2019 09:53 PM by Linusridesred 6 1,069   flex fans...will they work on our trucks? 50655 07-22-2019 07:47 PM by Dmaxcc6spd 3 1,628   2004 Envoy 4.2 Lack of power while warming up and.. Rocket Dawg 07-13-2019 01:56 PM by Rocket Dawg 2 336   After market motor mounts Kylep 06-18-2019 03:01 AM by Kylep 0 287   Front lower engine oil leak? bspurloc 06-15-2019 11:02 PM by falcon8667 4 3,192   Rough shut down Kylep 06-14-2019 10:00 AM by TB-Al 4 667   Fuel Filter Question Gearheadmike 06-13-2019 12:19 AM by EnvoyBoy2004 1 238   I6 to 6.7L LQ4 with standalone fuel/spark? TheRepoMan 05-01-2019 09:45 PM by robpreuss 3 835   4.2l I6 help Zlambz71 04-26-2019 08:08 PM by Zlambz71 0 249   tuneup ‎( 1 2) harrygm 04-17-2019 08:27 PM by vipergg 15 2,078   still overheating ‎( 1 2) clockmanbill 04-16-2019 08:02 AM by 45Frank 11 1,624   2006 envoy rod bearings Jdiggitydogg1 04-13-2019 05:00 PM by Jdiggitydogg1 0 173   Range AFM vs Diablo Sport S1000 AFM Disabler Carguy1985 04-08-2019 11:49 PM by Carguy1985 0 254   Strange idle after hard drive? Anyone had this before? Rockie46 04-02-2019 02:55 PM by EnvoyBoy2004 5 603   Jackson Mississippi red99ryder 03-30-2019 05:02 PM by red99ryder 5 408 TB stalled and now hesitates at times, threw multiple codes jmykrantz 03-08-2019 10:26 AM by jmykrantz 0 219   Throttle body spacer? hitchslap12 03-01-2019 03:40 PM by ShAkEsLs 2 693 05 Trailblazer I6 engine oil leak billwhitehouse 02-28-2019 04:49 PM by billwhitehouse 0 230   Coil on plug question... ‎( 1 2) Coopspeed 02-23-2019 05:54 AM by 05Base 12 1,488   Fuel smell when parked in garage Lynchy 02-12-2019 09:05 PM by Lynchy 0 249   2003 Envoy Codes ‎( 1 2) 45Frank 02-05-2019 02:57 PM by TJBaker 12 1,443 How can MPG tuning possibly work? Calion 01-30-2019 10:44 PM by RPatton76 4 836   How To Decrease Noise? Rockie46 01-24-2019 03:50 AM by LoloMike 2 660 Page 1 of 70 1 2 3 4 5 11 51 > Last » Display Options Showing threads 1 to 30 of 2074 Sorted By Thread Title Last Post Time Thread Start Time Number of Replies Number of Views Thread Starter Thread Rating Sort Order Ascending Descending From The Last Day Last 2 Days Last Week Last 10 Days Last 2 Weeks Last Month Last 45 Days Last 2 Months Last 75 Days Last 100 Days Last Year Beginning Prefix (any prefix) (no prefix) [SOLVED] Forum Tools Search this Forum Mark This Forum Read View Parent Forum Search this Forum : Advanced Search New posts Hot thread with new posts No new posts Hot thread with no new posts Thread is closed     Posting Rules You may post new threads You may post replies You may not post attachments You may not edit your posts BB code is On Smilies are On [IMG] code is On HTML code is Off Forum Rules Forum Jump User Control Panel Private Messages Subscriptions Who's Online Search Forums Forums Home 2013 Chevrolet Trailblazer     2013+ Chevrolet Trailblazer Forum 2002 - 2009 TrailBlazer/Envoy Tech     The 02-09 "How-To" and DIY Section     02-09 General Tech Q&A         General         Towing         The Track         Off-Road     02-09 Vortec 4.2L I-6 Engine and Drivetrain         OEM Issues         Air Induction         Exhaust Mods         Engine Tunes/Mods         Transmission Mods         4x4 Drivetrain     02-09 Vortec 5.3L V8 Engine and Drivetrain         OEM Issues         Air Induction         Exhaust Mods         Engine Tunes/Mods         Transmission Mods         4x4 Drivetrain     02-09 Brakes, Suspension, Wheels and Tires         Brakes         Rims         Tires         Suspension         OEM Issues     02-09 Appearance         Interior         Exterior 2006 - 2009 TrailBlazer SS Tech     The 06-09 SS "How-To" and DIY Section     06-08 SS General Tech Q&A         General         Towing         The Track     06-09 SS Engine and Drivetrain         OEM Issues         Air Induction         Exhaust Mods         Engine Tunes/Mods         Transmission Mods         AWD Drivetrain     06-09 SS Brakes, Suspension, Wheels and Tires         Brakes         Rims         Tires         Suspension         OEM Issues     06-09 SS Appearance         Interior         Exterior General TrailVoy Discussion     Latest GM News     The "How-To" and DIY Section     Audio and Electronics     Emergency Equipment     Show and Shine     Pictures and Videos     Racetrack Results The Lounge     Introductions     TrailBlazer / Envoy Chat     TrailBlazer SS Chat Marketplace     Basic Vendor GroupBuys     TrailVoy Advertiser Links     TrailVoy Classifieds Vendor Member Section     Vendor Deals     Arnott, Inc.     CARiD.com     Diode Dynamics     PCM of NC     RockAuto Community Help Section     Site News     Community Help Off Topic Section     Everything Off-Topic TrailVoy Chapters     Northeast     Mid-Atlantic     Midwest     Southeast     South     Northwest     West     Eastern Canada     Western Canada     International     Chapter Discussion     Chapter Support, Suggestion, and Comment Box » Sponsors Advertising Info

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