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engine trouble

Discussion in 'Civic and CRX - EF' started by hondaman321, Sep 9, 2007.

  1. hondaman321

    hondaman321 hondaman

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    so i got a d16z6 in my ef and i needed to smog it, so i reved it up to heat up the cat and i noticed that when hold the car at full throttle it goes to 7800 rpms and then looses power until i hit 4500 rpms and then the power comes back until i hit redline again. the engine sort of sounds like it bogging, but i cant figure out what could be wrong. i changed the iac and it still has the problem. :doh:
     
  2. mikey bottles

    mikey bottles Prof. Bottles

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    its your car telling to to stop pointlessly revving to ridiculous rpms while sitting still... you should listen to it!
     
  3. 1988hondacrxsiR1

    1988hondacrxsiR1 Banned

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    Could be IACV to make sure drain coolant remove hoses, remove bolts, replace o ring, clean filter and install to 9 ft lbs.
    -if not the answer check for vacuum leaks near intake manifold or on purge solenoid against firewall. Any check engine light?;)
     
  4. hondaman321

    hondaman321 hondaman

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    nope no check engine lights. it also has a surging rev
     
  5. hondaman321

    hondaman321 hondaman

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    ok i found out that the problem is simply the timing and i fixed the idle by adjusting the idle adjustment screw
     
  6. 91si

    91si New Member

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    Yea well dont ever rev your car like that again.
    Well unless you like blown pistons, head, or bent vavles....
    Your choice.
     
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