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check engine light

  1. 09 WRX traction control light, cruise light flashing, check engine light, and TPMS light flashing

    General Maintenance, Troubleshooting & Accidents.
    Car drives normal except sometimes lugs easily, occasionally hops when power is put down as if the engine is cutting out. I feel like the problem is from the mass airflow sensor, but I’m not sure about the cruise control and various other lights.
  2. Flashing check engine

    General Maintenance, Troubleshooting & Accidents.
    I have flashing check engine light most mornings going to work the throttle seams to stutter and shakes...seams to stop after my car is warmed up properly... I’ve changes possible problems such as spark plugs and coil packs and still no soulution... plzzz send help
  3. High Flow Cat

    Everyday Impreza Talk
    ok i have a 09 wrx and i want to get a high flow cat. i was wondering if i get one how do i keep the CEL off?
  4. 2005 WRX 2.0 MT - Speedo Gear

    South Western States
    I have a 2005 WRX 2.0L MT with approx 90K. My speedo gear is out and I need to fix it in order to get the car smogged for registration. Car runs and drives fine, but the Check Engine Light is on. I have already replaced the Speed Sensors and verified the problem. I am in the Palm Springs Area...
  5. Off the lot Turbo Fail??

    General Maintenance, Troubleshooting & Accidents.
    Kind of a horror story here: So I purchased my very first - Stock, 2004 WRX, 72K - one week ago from a dealer. This week I drove it on a 3 hr trip to visit family. While on the highway, I noticed the turbo was kicking in-and-out, almost unnoticeable. After a bit the turbo stopped engaging and...
  6. 2003 Impreza WRX Check Engine Light

    Everyday Impreza Talk
    I have a 2003 WRX with 110,000 miles, it threw the check engine light, so I put it in the scanner and it came up cylinders 1 & 3 not firing. Its stock, what do you guys think coil packs and spark plugs?
  7. CEL on p2441 Please help!!

    General Maintenance, Troubleshooting & Accidents.
    Hey guys im still kind of new at this forum so I hope I am posting this in the right section. If not I apologize! So my check engine light came on today and I went to an Advance Auto store and had them hook up there OBD II and it read the code "P2441 Secondary Air Injection System Switching...
  8. change the fuel octane rating in the Internal Computer

    Tuning: Electronic Engine Management
    My Subaru internal engine computer has been set to run on 93 octane when it was in Missouri and now that I am in Cali I need to change the computer setting because it keeps telling me the engine is running too lean. I need to get rid of the check engine light and this is the problem that keeps...
  9. WRX idle problem?????

    General Maintenance, Troubleshooting & Accidents.
    i got my 02 wrx and i just put on a new hks exhaust on it, after it was all installed and everything the engine was makin the noise as if it wanted to die out kinda like puttering and plus the check engine light went on but im sure thats from the straight pipe. can anyboddyyy helppppp???
  10. both cooling fans on constantly

    General Maintenance, Troubleshooting & Accidents.
    :mad:My 1999 Impreza seems to have cooling fans running constantly even in freezing winter weather. Changed temperature switch on intake manifold - no change although the old switch looked like it was in need of changing. Temperature gauge always in the middle since before this fan issue and...
  11. 02' WRX check engine light

    General Maintenance, Troubleshooting & Accidents.
    It keeps intermittently throwing a check engine code for a misfire in cylinder 3. The injector in that cylinder supposedly went bad and was replaced not too long ago. Is this electrical or what? When I start the car, sometimes I can feel that the cylinder is completely out but as soon as I blip...
  12. Check Engine Light

    Engine Modifications
    I installed a custome intake. it sounds great and i got a little bit more power. i also have cat back exhaust. did have much money for turbo back but some day i'll just finish it from turbo to cat. but any who, i installed the intake, discconected the battery and about 20 miles later the light...
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