Problem Diagnosis [Archive] - Subaru WRX Forum

Problem Diagnosis

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  1. Reduce power in first and 2nd gear ( lazy over all )
  2. Losing Boost Somewhere? Foul Plugs? Help!
  3. Oem wastegate question.
  4. Knocking noise
  5. Hill assist deactivated and light on/tire pressure sensor light/sun roof not working
  6. 2003 Subaru Impreza WRX Will crank, but wont start!!! PLEASE HELP!!
  7. FA20DIT engine noise 2016 WRX
  8. Help With Radio!!!!
  9. 2006 Impreza Boost Issue
  10. 2012 WRX disconnected connector?
  11. Does anyone know what this noise is?
  12. Can anyone tell me what this part is called
  13. Help!! 2006 wrx knocking
  14. Issues..
  15. 2011 WRX Kartboy short shifter noise
  16. Knock sensor issues
  17. Burning plastic smell
  18. 2015 Subaru WRX Limited - CVT Acceleration Issues
  19. Oil leak
  20. Fasteners
  21. SOLVED: New radiator... spewing from cap..?
  22. 2018 WRX OTS Mapís
  23. Front mount intercooler help
  24. 2017 WRX Idle issues
  25. 2002 WRX Wagon Cylinder 3 not firing
  26. Odd squeak... boost leak?
  27. Cel p0172
  28. 2nd to 3rd gear lock out at high rpms
  29. Car wants to die on warm starts
  30. WRX crank, no start
  31. 2018 WRX MT - intermittent hesitation
  32. Overheating issue 09 WRX sedan
  33. Engine Bog and stutter after 3500RPM !!!PLEASE HELP ME!!!
  34. 2014 WRX 7psi boost only
  35. Possible Blown Engine. HELP!
  36. Cobb Access Port reading P0301
  37. slight shudder vibration when first pulling out onto road in right rear
  38. 2002 WRX Steering Wheel Shake
  39. 09 WRX p1572 immobilized
  40. 03 wrx bucking / misfire only at high boost
  41. Loosing boost
  42. Newb be gentle
  43. Rough idle and stalling
  44. 2008 wrx hatch electrical issues or bad tune? please help!!!!!
  45. Car bogs while setting and lights dim and more
  46. 05 Wrx project no start
  47. Intermittent Electrical Issue
  48. AC compressor clutch seizing
  49. Overheating issue.
  50. Dirty Idle AirControlvalve?car feels like stalling
  51. 15 WRX clicking sound
  52. Jumped timing???
  53. No running lights or license plate lights
  54. 04 wrx stock.. ish. Intermitten power loss
  55. Head gasket or thermostat?
  56. Boost just disappeared
  57. 2015 WRX gas mileage issue
  58. Unpluged and messed up sensors
  59. Water temperature increases to 100, gives out warning signal and tein edfc error or f
  60. #2 and #4 cylinder misfire after o2 censors replaced
  61. Cant go over 100mph
  62. Can Someone Please Help..!
  63. 03 wrx lighting issues
  64. Starter Clicks but WONT crank! Helllppp
  65. Knock sensor
  66. Turbo Gone Engine Rebuild? 2008 STI
  67. Mirrorlink 2017 WRX with Android S7
  68. 2017 WRX Premium
  69. 2004 wrx sti with engine swap from my previous car
  70. Sube took a poo, CEL, oil/battery light, BUT WILL START
  71. weird knock
  72. Bugeye boost droping
  73. Air/Fuel fluctuates, but not at idle or WOT
  74. Turbo whine/squeal/squeak and decreased acceleration
  75. Looking for help with what appears to be the wrong oil feed lines.
  76. Fuel system power...lack of
  77. 2008 Subaru Wrx Will Not Go Into Gear!
  78. Car is running rich and turbo is pulsating.
  79. Popping sound coming from exhaust
  80. VDC problem
  81. 2011 WRX Power Loss - Intermittent
  82. Current drain for 2017 wrx
  83. Cv joint going
  84. Washer fluid not working
  85. Need help asap
  86. Subaru wrx 2016 Limited gets Disabled completely
  87. Brake/tail lights don't work, but turn signal and reverse lights do.
  88. WRX eating Batteries
  89. knocking sound 04 WRX
  90. Overboosting? Fuel system problem? Need help!
  91. Battery problems due to audio
  92. Cost of new throttle cable?
  93. Need help!
  94. CEL Misfire Code at WOT
  95. Positive af learning numbers
  96. Noise problem help
  97. Over heating
  98. ABS, stability control & center differential lock on
  99. Help coolant line in oil!
  100. My08 Hatch gtx3071R
  101. Power Steering
  102. Idle problems/Coolant Temp Sensor Swap
  103. undulating power going up hills/ stepping on it
  104. rear diff temp light on. best fix ideas?
  105. HELP! 2013 wrx
  106. Car feels sluggish, and have the feeling of no power
  107. Feedback knock
  108. 2005 Wrx Check Engine Light
  109. power wall in boost
  110. Please Help Me Diagnose a problem - Sound Coming From Driver's Side
  111. 2002 WRX chokes when given gas?
  112. Headlight adjuster
  113. Isolating belt noise
  114. 2008 wrx P0500 cabin shortting out?
  115. 2002 WRX blown head gasket symptoms
  116. 02 wrx questions
  117. *Over Boosting Problem*
  118. 2002 WRX idles fine. Stumbles on acceleration. Builds boost fine.
  119. Problems after problems. Please help
  120. 08+blown motor: maxed fuel system with vf39!?!?
  121. Suddenly getting codes p0137, p0851 p1518 p1152 p1153 p0502, p0503
  122. Up pipe heat shield rattle
  123. Need help!
  124. very slow leak. pics included
  125. AC Not Engaging depending on Exterior Temperature
  126. Super high boost levels on stage 2 '14
  127. 02 wrx knocking from top of engine driver side
  128. Using Air fuel Learning 1 ABCD for diag?
  129. Does this sound like a boost leak?
  130. Target boost issue
  131. Oily tubes and blue smoke!
  132. Navigation Problems
  133. Accessport Showing MASSIVE Knock Readings After Oil Change: I Need Help ASAP!
  134. Loss of Boost
  135. Misfire ? No code ?
  136. 2016 WRX CVT Weird acceleration behavior.
  137. Please Help Bucking
  138. WRX gears are very rough/grinding like when changing into 2nd gear
  139. EJ207 camshaft position sensor code
  140. Exhuast Rattle
  141. Slew of Codes
  142. Battery light on with new battery and alternator
  143. Accessport problem and solution
  144. Low Idle issue?
  145. WRX fuel starvation
  146. Can't go fast! Need help
  147. wrx 2010 acceleration issue
  148. 2004 WRX with a couple problems
  149. please help my wrx
  150. turbo keeps melting cv axel boot
  151. Change spark plugs, now smoking
  152. Cutting out and surging under heavy accelaration
  153. 04 sti throttle positioning problem
  154. Hesitating and dying out past 2500rpmm
  155. Erratic hard shudder and hesitation above 3000rpm
  156. Engine Blown!!
  157. Tire rubbing.. Stock everything.
  158. Stage 2 Problems.
  159. 97 JDM EJ20k Boost Cut/Fuel Cut help please!
  160. Engine dies but then turns over right away
  161. NEW Code Reader - Unfortunately Because CEL
  162. Secondary air pump problems.
  163. 10-11 psi... HELP!!!
  164. Help idle problems
  165. Center housing of turbo has thin coat of oil?
  166. No boost
  167. 2002 WRX: Long List Of Symptoms, Short List Of Causes?
  168. Bov? Making strange noise
  169. Interior lights not working..
  170. Changed spark plugs, now idles high
  171. Wont Start After Rebuild
  172. 2004 wrx wagon not boosting
  173. Test clip issues
  174. Rattling noise from engine 2015 wrx
  175. 2015 WRX Rear Suspension Noise
  176. Hard/no start with stumble when engine cold
  177. Rpms go up after shift
  178. Power drop at 4,500
  179. 03 WRX barely building boost and burning oil
  180. When to change the PCV valve?
  181. Location of Whine. Help please.
  182. Anybody running Maxspeedingrods Conrods?
  183. wont boost past 9psi!
  184. no boost ( not convinced its a leak)
  185. please help p0171
  186. anything but the head gasket...
  187. Mystery Smoke
  188. AP Map Question
  189. CEL Code P0113
  190. Odd Noise help please?
  191. air bag light
  192. brand knew clutch collar gone bad?
  193. Over heating odd issue
  194. HELP!! Engine Noise
  195. Motor rebuild. Oil gushing out.
  196. engine overheating
  197. brake problem!!!!!!
  198. Stripped Oil Pan
  199. new to turbos, "lurching" "chugging"(?), possible misfire maybe?
  200. Possible partial rod knock? Help
  201. 08 WRX Loss of compression
  202. Grinding noise only upon decel
  203. Warning lights
  204. Bug eye won't turn over.
  205. What is this????
  206. running lights & security
  207. Lost another Subaru WRX motor at Mosport GP (big track)
  208. 04 wrx power issues (had misfire)
  209. Extreme power loss
  210. 2003 wrx vf39 swap
  211. What's that buzz?
  212. Error Code C0047 & C0056, Engine & Cruise lights on, S-Drive blinking
  213. Bad start when its warmed up?!
  214. Broken and Missing pieces?!
  215. Subaru tuning problems..
  216. Knocking Noise code P0340
  217. BOV vacuum hose
  218. Bad start when its warmed up?!
  219. 04 wrx wont start! HELP!
  220. 2011 WRX A/C issues
  221. 02 WRX wont crank suddenly+other problems=[
  222. Exhaust leak?
  223. slow rev
  224. Car died, now it won't start
  225. Over heating
  226. Knocking help
  227. 02 WRX quit running!
  228. Instrument panel lights after jumping battery
  229. 08+ wrx dash cluster
  230. 05 wrx turbo not buliding RPM
  231. 2009 Wrx hatch clicking/popping sound when reversing
  232. leaning out at top end
  233. 2006 wrx turbo/losing oil
  234. p1095
  235. What's that sound ????
  236. Hi, What year short blocks will work 04 STI
  237. Car is driving me crazy...help please
  238. Parkg Lights Staying On
  239. Is it safe to run untuned?
  240. Slight Oil Leak- Crankcase Vents & Oil Filler Neck
  241. radiator fans always on
  242. Weird whining noise when car is cold
  243. AT oil temp light flashing and check engine light
  244. 2010 WRX Hatch underboosting
  245. stock wrx almost stalling when coming to a stop
  246. Timing belt double marks off
  247. Short Life of Headlamps / Improving Grounding
  248. Whining noise! Please help!!
  249. exhaust fumes through air vents on outside circulation
  250. Engine overheating