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Engine Light? Need Help!

THR34T

By THR34T,
in Engines & Forced Induction

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MissR34 Grand Master

MissR34

Posted
Posted

any engine will knock, whether it is PFC or stock ECU........ i would worry too much about it, a friend's R34 did that as well and he never mention anything about being worried about it, but if in doubt get it checked out by your mechanic/dyno dude :rolleyes:

666DAN Grand Master

666DAN

Posted
Posted
any engine will knock, whether it is PFC or stock ECU........ i would worry too much about it, a friend's R34 did that as well and he never mention anything about being worried about it, but if in doubt get it checked out by your mechanic/dyno dude :)

lol no, only a PFC will trigger the CEL for engine knock, the stock ECU will not display the CEL if there is any knock detected....would be great if it did :rolleyes:

If it was a brief flash 9/10 it's the O2 sensor, if it goes on an remains on, most likely coil packs..run the diagnostic to be sure.

THR34T Mentor

THR34T

Posted
  • Author
Posted
Paper clips at the ready!!!!!

As the document says, turns the ignition to "on" short the two terminals indicated on the consult plug (clipped covertly on the underside of the dash near where your right knee lives), count the flashes, look up the code

diagnostic.doc

Thanks Dan lol

  • 4 weeks later...
iseekool Veteran

iseekool

Posted
Posted

Hi all just to clarify... This happened to me today. The engine light turned on and stayed on after 10 minutes of driving. I didn't feel any change in the engine etc. car felt as usual no hesitation, shakes or missfires.

I pulled over waited a few seconds and restarted - engine light was off and never came back on.

I guess i'll have to drive the car more and observe if the issue comes back.

My car is an r34 non-turbo auto btw.

What is the consensus on this? Bung sensor or coilpacks about to give out or ecu glitch (if that even happens)???

GTX-R34 Collaborator

GTX-R34

Posted
Posted
Hi all just to clarify... This happened to me today. The engine light turned on and stayed on after 10 minutes of driving. I didn't feel any change in the engine etc. car felt as usual no hesitation, shakes or missfires.

I pulled over waited a few seconds and restarted - engine light was off and never came back on.

I guess i'll have to drive the car more and observe if the issue comes back.

My car is an r34 non-turbo auto btw.

What is the consensus on this? Bung sensor or coilpacks about to give out or ecu glitch (if that even happens)???

Definately coil packs, fitted Splitfires and iridium plugs to mine today. My engine light had been on for a week and a half but like yours had not yet shown any signs of hesitation or missfiring yet. Just ran the engine, no engine light on and appears to be running much smoother and cleaner than before.

Splitfire coilpacks, part# SF-DIS-008, Brought them from CRD in NSW for $510 delivered, awsome service as they arrived a day and a half after payment.

NGK Iridium spark plugs BKR5EIX-11 $90

Also have NA R34 Good luck, Nath.

post-26384-1220085513_thumb.jpg

dori34 Grand Master

dori34

Posted
Posted

this happened to me, engine light came on and it dropped a cylinder, car would shake quite a bit, so i unplugged the coilpack plug, replug back in and the shaking went away.

pin pointed it down to the one SOB coilpack so i replaced that.

hopefully its fixed now as i only did it 2 days ago but so far so good, the light would come on intermittently, sometimes it would last a week without issues or maybe a day... but then in future if more packs let go, its time for splitfires.

  • 2 weeks later...
ASH7EY Explorer

ASH7EY

Posted
Posted

My engine light came and and I got a service they hooked up the Nissan computer but they couldn't find the problem. I rang Power Road car sales where i bought my R34 Gt from and they identified the problem by just me explaining it over the phone.

I just got a new coil pack installed by them today, costing 240, (130 for the coil pack form Nissan) They also claim to have a machine that tells them which coil pack is playing up.The car runs smooth now, but my engine light is still on. I was told that the computer needs resetting, but I would have thought that the light would switch its self off once the problem is solved.

Does any one know how to reset computer or do i need to take the car to a specialist?

dori34 Grand Master

dori34

Posted
Posted

^ dc the battery, step on brake a few times to compeltely drain the power.. wait a few mins, connect battery back up & thats it.

but after u change the coilpack, u turn it off and then turn it back on and the engine light should go away.

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