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Rev limiter at 3k

Discussion in 'ECU's, Electronics, and Tuning' started by 94H_Ex, Jul 12, 2008.

  1. 94H_Ex

    94H_Ex Under employed

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    I know its not the ecu because i ve used 3 diffrent ones and all the same. in order to keep it from doing it. i have to shut the car off. count the 3. turn it back on and keep on going. and it clears out. Engine codes are showing. but all just sensors. the car randomly does this to where at 3k it sounds like its hitting the rev limiter.

    plus i dont know if this has anything to do with it.
    [​IMG]

    one more thing. do vtec pinouts exsist in a 92 dx hatchback dash harness?
     
  2. boostin4fun

    boostin4fun Boosted ls/vtec ohh yeah!

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    Your problem could be a number of things. But my first suggestion to you is to get rid of all of those butt connectors. Solder all of your wires and heat shrink them. You could have a bad connection somewhere that is giving you intermittent problems. Take care of that first then if the car throws any more codes you have a place to start to find the problem.
     
  3. 94H_Ex

    94H_Ex Under employed

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    or! just replace that retarded harness
     
  4. boostin4fun

    boostin4fun Boosted ls/vtec ohh yeah!

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    Good call! :)
     
  5. BrutalB83

    BrutalB83 Brutal Moderator Moderator VIP

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    Regardless of whether the CEL codes are serious or not, you need to address them. It sounds to me like the car's in limp mode, which is what happens when you've got one or more error codes in the ECU...
     
  6. stuntstere

    stuntstere Member

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    first of all i would take care of that wiring... but another thing it could be is the pick-ups in the distributor could be bad or damaged... happened on mine.. 3k rev limiter. replaced dizzy and good to go.. best of luck
     
  7. stevennn09

    stevennn09 Member

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    i just saw the title and got sad. rev limiter at 3k.. that's depressing. i have no tech input to the situation though ;)
     
  8. Ethan

    Ethan Well-Known Member

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    Is it throwing a crank sensor code?

    Try switching you dizzy with a good one.
    I had the same problem it took me months to find out it was the dizzy.

    What car do you have?
     
  9. 94H_Ex

    94H_Ex Under employed

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    94' civic ex. with the d16z6
     
  10. 93y7

    93y7 New Member

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    i just had this problem with my b16 in my eg. it was because i didnt have a map sensor hooked up. yours could be bad. i would find a friend whos you can use to see if thats the problem before buying one. they are costly
     
  11. 94H_Ex

    94H_Ex Under employed

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    actually we got three or four of them laying around the "shop" But i just got done with swapping the harness out. still does it. but its not re accruing as much now. only on start up. another thing is. im not sure. im going to have it check out tomorrow. I believe the p28 i have is also a auto p28. not the manual.

    one more thing. when running a code scanner on it. where are the hook ups for the scanner? i ve been looking at it and really cant tell. some people tell me "oh theres alittle plug some where in there" others are like " naah you have to has some kind of jumper wire that blinks and it gives you your code"
     
  12. Ethan

    Ethan Well-Known Member

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    Last edited: Jul 14, 2008
  13. 94H_Ex

    94H_Ex Under employed

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    Yeah that actually helped alot.

    alright so heres the code list.

    4 - Crankshaft Position Sensor
    6 - Engine Coolant Sensor
    19 - Lock-Up Control Solenoid Valve A/B (A/T)
    21 - Vtec Solenoid Valve

    so. i know why the vtec code is showing. as well as the engine coolant. but code 4 and 19. im not so sure all about. any pointers?
     
  14. efhondakid

    efhondakid My name is Byron. VIP

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    The CPS is in the dizzy, if it goes bad the dizzy is junk. And the lock-up code is for a auto tranny, is your car auto or manual?
     
  15. 94H_Ex

    94H_Ex Under employed

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    started off as an auto. but some one converted it to manual leaving a crappy harness. but never fear. i finshed their job and made it a complete manual harness.
    now lets not forget. The ecu is probably a auto p28.
     
  16. efhondakid

    efhondakid My name is Byron. VIP

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    Bingo! That and a crap dizzy, all mated with that rats nest wiring job.
     
  17. 94H_Ex

    94H_Ex Under employed

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    nah that rat's nest wiring. is a no more. its all a very nice manual harness. no splicing.
     
  18. efhondakid

    efhondakid My name is Byron. VIP

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    Well thats good, there is a way to check if your ECU is a manual or auto from the code on it but I forget where I seen the write up for it.
     
  19. Ethan

    Ethan Well-Known Member

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    I knew he was gunna get the "Crankshaft Position Sensor"!!!
    Even though you have other problems too change that damn dizzy.
    That will probably get rid of the rev limiter problem.
     
    Last edited: Jul 15, 2008
  20. Ethan

    Ethan Well-Known Member

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