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02-08 Vortec 4.2L I-6 Engine and Drivetrain [Archive] - Page 5 - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum
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View Full Version : 02-08 Vortec 4.2L I-6 Engine and Drivetrain

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  1. 06 Wont Start
  2. What all do I need??
  3. Oil Pressure?
  4. axle Fluids Or Differential Fluids
  5. Bottom end noise
  6. newbie question
  7. Eneos
  8. Poor MPG related to old O2 sensors?
  9. wheel bearings at 35k miles?
  10. Cam Phazor ? Help A-SAP style
  11. Roof Rack Question
  12. engine is cool? Fan runs loud with A/C
  13. Dyno sheet for I6? w/ and w/o tune?
  14. Engine has the power of 6 starving rodents
  15. Scanner Tool
  16. Is Something Leaking?
  17. SES P0130 - Oxygen Sensor
  18. 2007 Vs. 2004 ??
  19. Stalling Revisit
  20. Warning Light at 120kph or more....
  21. check this out.
  22. Chirp went the Envoy
  23. Does Synthetic oil REALLY help?
  24. 2008 HP goes down?
  25. Moog K665 and K6666 only until 03
  26. 02 Trailblazer no start, no pdl, no pw, no shift indicator....
  27. Differential oil
  28. TB wont start?
  29. Oil Life Change Indicator
  30. loss oil question...
  31. need some help....
  32. Removing intake resonator.
  33. Envoy Down!
  34. engine whine/whistle
  35. 05 Envoy oil leak
  36. Upgrade Help...
  37. Hard start when warm?!
  38. SS Hood
  39. Service bulletin for 05 Envoy?
  40. 05 Envoy warranty work done - what they did
  41. Service Engine Light
  42. chirpy gear change
  43. First Oil Change, and I'm Pissed!
  44. I need help ASAP!
  45. O2 sensors and fuel economy
  46. 100K tune Up sugestions
  47. Diff. Fluid Change Question
  48. Injector cleaning -- How?
  49. part number needed
  50. strange shifting downhill
  51. timing belt or chain
  52. Trailblazer/Envoy lockers? Gears?
  53. Something is wrong with my Instant MPG
  54. knock when i go over bumps in front end
  55. New mods
  56. Rear Differential
  57. Hello to the group
  58. got a couple of grand
  59. Gears Gone, Rear Spiders
  60. Will tuned I6 and 3.42 be enough for bigger tires?
  61. Motor oil and Transmission Fliud change opinions needed.
  62. When did you all do your first oil change?
  63. Rear Differential Fill plug
  64. MPG and emissions
  65. 200 mi With 1/2 tank.
  66. High reving
  67. normal oil consumption?
  68. 14500 Mile Oil Changes
  69. whine noise fixed
  70. To Flush or Not To Flush? Need Advice.
  71. MPG indicator question
  72. Traction Control
  73. Reduced power motor light
  74. What's your mileage?
  75. Rear Axle Bearings?
  76. 04 TB mods...
  77. tranny help
  78. emergency button
  79. P0420
  80. Excellent Primer on Synth. Oils
  81. Synthetic Oil...
  82. Take off response..
  83. 0-60 times
  84. I hate the Secondary AIR Emissions Check Valve
  85. How do I pull codes?
  86. disconected battery = ses light?
  87. Fuel trim cell
  88. service engine soon light
  89. Anti-freeze coming out of tailpipe?
  90. Running Lean?
  91. Tranny Time
  92. 6500k RPM shutdown...
  93. I-6 Updates, What Changes?
  94. STS Remote Turbo on a 2004 TB?!
  95. WHat size piping is the exhaust on a 2005 voy?
  96. newb
  97. More Power
  98. DIC - Average Fuel Problems
  99. P0172 & Stalling
  100. No, not again...
  101. Advice On Good Rotors
  102. O.K. it is
  103. rebuilt engine source?
  104. All Canadian VOY I6 Owners
  105. Bogs down
  106. horsepower
  107. auto parts warehouse
  108. No replacement for displacement
  109. Denso Iridium ITV16
  110. $15/30mins turned to $600 2 weeks
  111. Leak found and quick fix...hopefully
  112. Mudguards
  113. whining Gone!
  114. gas mileage on 03 envoy
  115. 07 TB dead in Baltimore!
  116. Removing intake manifold?
  117. Oil filter sizes...
  118. 5.3 Swap?
  119. 2002 Envoy I6 Questions
  120. need help with my 04 trailblazer
  121. I'm stumped can anyone help?
  122. This Calls For Some Change.
  123. Looking for the right answer.
  124. All Wheel Drive Slip
  125. MPG's
  126. 26's ?
  127. help need ecu pin out digram
  128. speedo replacement.. cost?
  129. Somebody Help Me
  130. Dex-cool, can I use something else?
  131. RPM drop
  132. Cool weather & 1st drive of the day
  133. Stalling on an incline?
  134. Rear ends!
  135. Pulley slipping inbetween shifts?
  136. STS turbos
  137. 07 traiblazer ticks at idle
  138. Honey comb thing in stock tube?
  139. Rainy day in vegas
  140. looking for my glovebox light
  141. Newbie to this Forum
  142. Tire Sizes
  143. Got it back from the service department.
  144. Vapor control unit?
  145. New here, service questions.
  146. PS Pump
  147. Won't belive what a friend of mine told me....
  148. Any one try one of these out?
  149. Dead Mouse in blower
  150. Dual Alt Bracket
  151. what's next?
  152. EXTs and MPGs.
  153. A/C Acting up!!
  154. New here... Hi... Got a few questions...
  155. same drivetrain?
  156. 4.10 gear oil change WOW!
  157. the things people sell.?
  158. P0135 Fixed and Cleared!
  159. 07 trailblazer engine temp
  160. = = = New threads may not be posted in this catagory, please select a sub-forum = = =
  161. Whisteling noise at around 1900-2000 RPM
  162. New ownership and paranoia..justified?
  163. Bucking/surging while using CC going downhill
  164. Power loss light/codes
  165. No start -- Need help quick
  166. check engine light
  167. Reduced Engine Power / Cam Phaser?
  168. replace Alternator
  169. First Successful Oil Change Today!
  170. GMC Envoy 4.2l oil pressure gauge drop to 0
  171. Is royal purple or amsoil worth the extra money for me?
  172. arced fuse box car broke now
  173. 04 trailblazer bad fuel economy
  174. I'm getting P0105 code
  175. Bad MPG
  176. Raw Fuel In Resonator Box
  177. Headlamp Bulb Connector Replacement
  178. Parasitic Battery Drain
  179. The dealer's service dept thinks I'm crazy....HELP!!
  180. i cant get maximum speed 120 mile why? for more inter plz
  181. How Often Should I change Tranny Oil & Filter on 2004 4x4 TB ?
  182. Drive train fluid change
  183. Changing fuilds
  184. Will Start Wont Go
  185. vibration and whirring frontend
  186. Problem after cleaning throttle body.
  187. Loud Buzzing Noise From Under Truck
  188. 2005 O2 Sensor Issues
  189. 2003 I-6 engine knock
  190. Weird Wobbling
  191. Vibration when warm? Need some help, 04' trailblazer
  192. Gas Mileage
  193. coolant loss
  194. Cold morning start, then stall... twice
  195. Rolling Resistance....
  196. first post....need help
  197. Oil leak at 39K, happen to be head gasket!!!
  198. Okay now what!?
  199. How do you replace the rear axle seals?
  200. Used OnStar To Diagnose Stabilitrac
  201. Windshield fluid reservoir sensor?
  202. How bad is it? (underhood pic)
  203. not doing to good
  204. Reduced power
  205. 03 tb ext lt i-6 2wd
  206. noise idling when cold
  207. Need some help with this TBEXT!
  208. Mobil1 Switch
  209. I-6 hard starting....
  210. What qualities does the Vortec 4.2L I-6 engine have that the V8 doesn't ?
  211. Dynamat under the hood?
  212. Amsoil,Mobil1,Redline,Castrol,Vavoline,or Other
  213. How many lt of oil
  214. Whining kind of sound - normal?
  215. hard start after getting gas