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Car goes to idle at speed

Discussion in 'HYBRID -> ED-EF / DA' started by luggss, Feb 11, 2010.

  1. luggss

    luggss New Member

    Likes Received:
    Jun 7, 2009
    I have a 91 civic hb with a swaped in sohc 1.6L ZC. At a stand still the engine runs fine, It idles and revs up to the rev limiter with not problem. Oh ya i race it on a oval track. At pace speed its fine with short bursts (30-50 km) When its go time i mash the gas it boggs and sputters and then goes to idle. ive tried to ease in to it its ok but when it gets to a surtan speed? (no speedo) it goes to idle. i restart the car and all if fine. till its go time again. Any help would be great. Thanks

    Optional Information:
    Year: 1991
    Make: Honda
    Model: Civic hb
    Engine: 1.6 ZC

    Already Tried:
    ecu pr4 runs it ok and dont shut down but rev limit is to low. pm7 ecu shuts down pm6 shuts dowm pr4 with rev chip shuts down
  2. civichatch1988

    civichatch1988 Ef hatch

    Likes Received:
    Jan 4, 2010
    Is your ecu throwing any codes? Could be ur IACV, or maybe timming those are my best guesses. May also wanna check vacuums and such
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