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b16a in rex, wierd partial throttle problem

Discussion in 'HYBRID -> ED-EF / DA' started by 5speed4life, Nov 10, 2005.

  1. 5speed4life

    5speed4life Senior Member

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    ok, i just picked up a b16 swapped 89 crx, runs great, idles fine, etc. It has a problem tho, and its kinda fishy.

    According to the vafc, at about 10-15% throttle and around 1500 rpm, the engine cuts out. like it just ran out of gas or is running out of gas, untill i let off the throttle and get back on it.

    Im thinking it may be a tps problem, but am unsure. Id like to get some input on this.

    Thanks.
     
  2. GSRCRXsi

    GSRCRXsi Super Moderator Moderator VIP

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    i dont think its a tps problem. the only way i can see it being a tps problem is if the tps was uncalibrated and telling the ecu that you were at 0% when you were really slightly still on it. in case you didnt know, while driving, off the throttle 0%, over 1100-1300 (depending on obd) rpms, the injectors actually shut off. but if this was the case, i would think the vafc would be telling you that you were at 0%. if the vafc sees the correct number, the ecu must be too.
     
  3. 5speed4life

    5speed4life Senior Member

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    interesting, i didnt know that obdo shuts the injectors off.

    The VAFC self calibrates to the tps. the ecu uses set voltage, i belive .5 volts at closed tb. the tps has phillips screws holding it on, so i think its been replaced. it may not be calibrated to oem voltage tho.

    i'll check it tomarow, any other suggestions?
     
  4. Slo86GT

    Slo86GT Super Moderator

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    His point is, if the AFC is showing 15%, so is the ecu. Voltage is voltage. The TPS is not at fault.

    I'd look into a coil/igniter issue if it was my car.
     
  5. B16RacerN2NR

    B16RacerN2NR Working Hard VIP

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    that actually sounds like a o2 sensor problem. make sure you are running both and not running both wires to 1 o2 or that the o2's are switched... read here...

    http://hondata.com/techclosed.html
     
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