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check engine light after 5000 rpm

Discussion in 'HYBRID -> EG-EK / DC' started by entone, May 10, 2004.

  1. entone

    entone Junior Member

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    i just swap in a b18c1 in my 98 civic, i have two problems, first one is when i rev the car past 5000 rpm, the check engine light come on, when i shut the car off and turn it back on its gone, it only come on when i rev it pass 5000. and my second problem is when the car between 2000 to 3000 rpm the car hesitate (feel like it going to stall out) when it passes 3000 it goes back to normal. does anyone know what the problem is?
     
  2. slammedb18acivic

    slammedb18acivic Senior Member

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    i would love to know what your problem is because mine does the same thing. I have a 00 b16a2 swap in my 93 ex with a p72. Except my speedometer only wrks when it wants to . I did a full tune up and it still hesitates some times on acceleration.
     
  3. asmallsol

    asmallsol Super Moderator

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    did you check the code? The ecu stores codes, so it will tell you your problem


    As for the hesitation down low, other then being a honda, it will have no bawls down low, check your timing. If it is off, it will cause you to hesitate like that.
     
  4. slammedb18acivic

    slammedb18acivic Senior Member

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    wont a bad distributor do the same thing ? ?
     
  5. xj0hnx

    xj0hnx I wanna be sedated VIP

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    Bad distributor, mixed up plugs, timing, bad motor, lots of possibilities. Check what CEL code it's throwing, and then work from there.
     
  6. slammedb18acivic

    slammedb18acivic Senior Member

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    i would check the code, but as soon as i turn the car off .. the engine light goes off as well .
     
  7. 90crxb18

    90crxb18 Senior Member

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    check the TPS also my bros car did tha same thing, got a check ingine at high rpms, it was the TPS

    hope this helps :)
     
  8. entone

    entone Junior Member

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    thanks, the only code im throwing is 23, i think that the knock sensor. and im goin to change the tps sensor and knock
     
  9. sleepercivic

    sleepercivic Senior Member

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    if you are only getting code 23, just check the wiring for the knock sensor, or just redo it, as for the TPS, just check the voltage before replacining it, should be .5v closed and 4.5 WOT
     
  10. slammedb18acivic

    slammedb18acivic Senior Member

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    as for the tps input. mine was busted when i did the swap.. so i put a hole throttle body on from a newer style ls motor. Is the voltage different ? can i still use this tps ?
     
  11. hybridsol

    hybridsol Senior Member

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    knock sensor. my friends lude does it, its either faulty,wrong one , wiring is bad, ornot torqued down enough
     
  12. B16

    B16 Super Moderator VIP

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    check your electrical grounds and the power wire from the alternator.
     
  13. TPR

    TPR Junior Member

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    get a p30 or a obd1 pr3
     
  14. slammedb18acivic

    slammedb18acivic Senior Member

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    i will check the connections tomarrow at the alternator .. all wiring was converted near the alternator to obd1. I will also check the knock sensor. As for a p30 does anyone have one for sale ?? Im willing to trade my p72 for one also.
     
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