Jump to content
SAU Community

Loss Of Power After Coil Pack Change? R34 Gt N/a

Deza3000

By Deza3000,
in Engines & Forced Induction

 Share

Recommended Posts

Deza3000 Proficient

Deza3000

Posted
Posted (edited)

Hey guys as the name suggests, was wondering if it was normal to lose power in the high rpm after a coil pack change? The coil packs were atomics, apparently they were as good as spitfires (according to the chart) so my cousin decided to buy it, and the power just dipped every since. We just want confirmation that it was indeed the coilpacks, not something else? To my knowledge dodgy coilpacks usually result in misfires not just loss is performance(without symptoms). We just want confirmation that it actually is the coilpacks, if not what else could it be? Spark plugs have also been changed(pfr5g11).

Cheers

Edited by Deza3000
Deza3000 Proficient

Deza3000

Posted
  • Author
Posted

Weak spark could still be to blame. Aftermarket coilpacks are all shit, including splitfires, and they're very often faulty fresh out of the box.

I would clean or replace the plugs, gap them properly, reset the ecu.

Oh really? yea thats what i thought too, i told him to get genuine nissans but they were 1k, so we just looked for the best alternative, sadly we were too stupid to do adequate research ==' Ill get them changed to factory nissan then, hopefully it makes a difference. ill do exactly what you said, cheers for the advice man!

  • 1 month later...
TJZ Enthusiast

TJZ

Posted
Posted

Did you connect the two vacuum lines on the side of the plenum in the right spots. One is for the dual vanes in the intake manifold. If you mix them up the vanes won't open and the car will struggle to rev past 5000rpm. The one that goes to the actuator for the vanes should be closest to the firewall

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

    • sausagepianist
      V36 2008 Coupe Wiring Differences with Android Screen

      By sausagepianist · Posted

      Thanks for that Paul.  Do you think if I posted a picture you'd be able to remember where it went? 
    • sausagepianist
      V36 2008 Coupe Wiring Differences with Android Screen

      By sausagepianist · Posted

      Sorry Duncan, I didn't get a notification for the replies.  Thanks for responding!  It's a full Android device, but does allow you to use CarPlay/AA as well.  This is the one I bought from NaviRS on AliExpress: https://www.aliexpress.com/item/1005006368602668.html?spm=a2g0o.order_list.order_list_main.111.59aa1802JDzQ0E - the 2K 8G-256G CAM variant but it seems to have gone up by £170 since I bought it!  My purchase was ￡307.14.   It's not the fastest thing in the world but performs perfectly adequately.  It stays on standby unless I disconnect the battery and let it power down, then it's just a fairly standard Android bootup time from cold.  The DSP Equaliser is very nice and made the standard stereo system sound pretty decent compared to the stock screen.  Perhaps I can take a video of it when I get a sec. It *allegedly* supports the reverse camera, but I'm yet to get that working.  It has options for reverse cam (a camera unit can be bought separately) or 360 cameras (also bought separately).  To be fair it doesn't seem to detect that the shifter was put into reverse but I'm working on a theory about this as well.  At the moment I'm going without which is a bit annoying considering the car is an absolute canal barge but so far I haven't caused any damage I'll grab a picture of the wire I'm missing later today when I can get outside.  My theory, by the by, is that not only is the head unit different, but the CANBUS network has different signals for the different years.  I think this because I have a spare AC panel from a newer Infiniti G37 (as opposed to my Nissan panel) which wouldn't control anything except the volume when I had it wired up with the stock system.  I'm going to throw it back in and see if the screen will respond to it.  I've just ordered an arduino CANBUS module so I can have a look at the signals going around the car and see if I can spot anything.  I'm thinking if I can work out what it's expecting vs what it's getting I might be able to translate and relay the signal back but so far just a theory anyway. I also found this on my travels, so far the only one that specifically matches my car: https://www.aliexpress.com/item/1005002822934280.html?spm=a2g0s.imconversation.0.0.33433e5fgttovi If you look at the picture of the before, it has the card reader slot, and the picture of the head unit is exactly the same as the one pictured in my original post.  I asked if they sell the cables separately but sadly they won't.  I didn't want to just buy this one because it's a super old Android version and only dual core - likely slow as hell. 
    • sonicii
      V35 Overheat + Coolant Boil & Overflow + Engine not Starting

      By sonicii · Posted

      As above, you did refill the coolant and burp the system before running it again didn't you?
    • GTSBoy
      UniClutch

      By GTSBoy · Posted

      To be fair - you see the same thing for every clutch. There's always someone making an installation error.
    • Dose Pipe Sutututu
      UniClutch

      By Dose Pipe Sutututu · Posted

      Just saw this, redacted names. It's on a R33 GTS-t Facebook group. Looks like still teething issues.
×
×
  • Create New...