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Check Engin Light

Discussion in 'ECU's, Electronics, and Tuning' started by ngq, Jun 13, 2003.

  1. ngq

    ngq Member

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    When i unplugged the 4 wire o2 sensor on the exh. manifold the check engin light
    did not come on?(the engin running).is it suppose to come on right away or the
    ecu needs time to react.
    iam not sure if the wireing is correct.
     
  2. pissedoffsol

    pissedoffsol RETIRED

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    mine took about 400 yards of driving to pop on and kill the car's power after i re-wired it for my header (which i did wrong) even after ideling in the driveway for 10 min.
     
  3. ngq

    ngq Member

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    Thanks,iam glad to know that. :D
     
  4. blacklude97

    blacklude97 Junior Member

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    my 4 wire o2 sensor went out and killed my power too, what do i do ?? do i just replace it and all my power will be restored??
     
  5. ngq

    ngq Member

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    I dont think these sensors can be fixed,just buy an oem sensor and save ur self
    time & headace.
     
  6. blacklude97

    blacklude97 Junior Member

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    yeah, thats what i meant. im gonna replace it. when i do replace it will that restore my power??
     
  7. xj0hnx

    xj0hnx I wanna be sedated VIP

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    I don't see an o2 shutting down a motor. If you can drive without it, and have no problems, how could it going out, shut your car down?
     
  8. Tonyd0821

    Tonyd0821 Banned

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    how did you re-wire it correctly?
     
  9. JrSiRb16A

    JrSiRb16A Senior Member

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    same here..i had one in my old rex that was fuckn shot..the check engine light only came on when i was racin..revin the shit out of the engine..and then i would notice a lose in power..but never turned my engine completely off..
     
  10. blacklude97

    blacklude97 Junior Member

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    it didnt turn my engine off, it just made my car run like shit. my car boggs alot and i think its because of this, i could be wrong though. i noticed my car start running like this ever since that engine light came out and i got a code 41
     
  11. xj0hnx

    xj0hnx I wanna be sedated VIP

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    I've been throwing a 41 for a couple weeks now, and since I plugged in my MAP sensor(noticed it was "overlooked") my car has run perfect, idles like a new motor.
     
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