Jump to content
SAU Community

Need Advise! Car Wants To Rev By Itself!

-S-

By -S-,
in Engines & Forced Induction

 Share

Recommended Posts

-S- Community Regular

-S-

Posted
  • Author
Posted

How did you manage to fix it? Am currently having the same problem with my rb25de where it's idle hunting between 1500 down to around 6-700 rpm. Have cleaned out the AAC valve, checked for air leaks done most of what I have read on here with no change. Thought it may have had something to do with the fuel filter as there was a little pool of fuel at the top of it, but since replacing it nothing has changed. Can someone please help me out here

Cleaned the aac valve. ..

now the only issue is it sometimes drop to almost below 500 rpm when shifting but so far have not shut off the engine so I'm cool with that!

Prior to this cleaning , sometimes engine would rev to 0 and shut off. [emoji44]

  • 2 years later...
-S- Community Regular

-S-

Posted
  • Author
Posted

Guys... My car is possesed/idle hunt again. So obviously I knew what to do. Idled great after cleaning. Been years since I last cleaned it...
This time however I didn't fully remove the screw though as I'm afraid I might damaged the rubber oring like I did in the past... Plus it was really really hard to fully remove the screw. Pos oring must've been stuck.

So anyway it started idle hunting less than 2 days later !!! very mild but got worst over time... Now it's basically idle hunting in every traffic stop but it WILL go away after 20 or so seconds...

Any ideas where I should check again? Or is the iac valve tired/broken? Or maybe the solenoid? Or maybe the oring is damaged?

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
 Share
Go to topic listing


  • Similar Content

  • Latest Posts

    • joshuaho96
      Nismo coppermix twinplate clutch

      By joshuaho96 · Posted

      From the pictures I have when doing the job the flywheel is the same diameter, I don't think they're playing weird tricks like putting weights at the outer diameter to increase flywheel inertia or anything like that. The OEM flywheel is definitely heavier, but it's not a huge difference. Quoted weight savings of the clutch is 2 kg so I can't imagine the flywheel being lighter than ~7 kg. Kind of regret not weighing it before the clutch went into the car but as far as driveability goes I have no complaints.
    • joshuaho96
      R32 update from 1990's spec.

      By joshuaho96 · Posted

      HKS trigger kit should be very easy to integrate with a Link. It's a 36-2 crank trigger. Hard part is finding the motivation to take off the timing belt and everything on the front of the engine to install it. You also need to cut out a hole in the oil pump housing so the sensor can read the trigger wheel. Changing out the cam sensor for a 24 tooth setup is probably good enough but as others have mentioned depending on what underlying assumptions are changed it becomes more of a problem. Reading the crank state off of the cam is an abstraction that works in the general case, but if you have an edge case it makes less and less sense. There is a GTX2860 gen 2 that can take a compact 5 bolt housing so it's direct bolt on but I'm not 100% sure of what's involved. Peak compressor efficiency drops off a bit on these turbos vs -5s, 77% vs 73% but you get way, way wider region of operation. The -5s have a really strange surge line in their compressor map that is all over the place. If you think the hot side on the -5s aren't open enough you can try the Tomei T550B turbos which a local tuner seems to be happy with:
    • hfygrte52
      R33 GTR tail light

      By hfygrte52 · Posted

      i need a complete tail light for my R33 GTR if you have please let me know.
    • hfygrte52
      Needs

      By hfygrte52 · Posted

      I need a great maintenance workshop around Idaho, if you know one please let me know..
    • hfygrte52
      Need 1993 GTR

      By hfygrte52 · Posted

      Hello friends, i have a good friend in Canada that looking for a good condition 1993 GTR around him please if one or know someone around you that is willing to let it go please let me know so that i can inform him.....Thanks
×
×
  • Create New...