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R34 Gt Cutting Out

Pandoraa

By Pandoraa,
in Engines & Forced Induction

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Pandoraa Contributor

Pandoraa

Posted
Posted

Another maintenance issue to resolve on my R34 GT.

Engine is a RB25DET (98)

When driving the car it starts to cut out every few cycles..

The issue is very similar to that you experience when a coil pack is on the way out (Cutting in and out... Lack of power)

However the coils were replaced just over 12 months ago with Splitfires. In addition to this I have driven the car round and used a whole tank of fuel yet never once has the engine check light come on..

I thought it may simply have been blocked injectors as I had previously ran the tank right down to nothing. Having run a bottle of injector cleaner through it the issue still remains the same.

I have noticed however the issue occurs much less if at all when the car is over 1/3 of a tank gets worse as the tank gets empty.

As the car is on 100,000kms would anyone think it could be the fuel pump? (Simply the extra pressure from a full tank vs a low tank)

Alternatively does anyone know what else the issue could be?

Car will be going into the mechanic for clutch kit, cambelt and fluids change ASAP just wanting to get an idea on what this issue could be so I can budjet it in.

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https://www.sau.com.au/forums/topic/299982-r34-gt-cutting-out/
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R34 -_- Community Regular

R34 -_-

Posted
Posted (edited)

I had the same problem as your describing and thought/did everything you have, i went to the mechanic and tryed a few things but ended up replacing the coil pack (with one of my old ones) on the missing cylinder, it works fine now and doesn't miss at all, i had only replaced the coil packs a few months ago too(genuine nissan coils) but hey, shit happens even good quality stuff can f*(k out after awhile as they aren't also made 100% perfect. Funny thing is my engine light came on when my coils 1st started packing up but this time the engine light didn't come on at all. I also replaced the spark plugs and fuel filter.

Edited by R34 -_-
JJAY34 Contributor

JJAY34

Posted
Posted

i had the same problem not to long ago and we found out that i was sucking up crappy stuff in my fuel when my tank was empty and when the fuel burnt it was too rich so it would start spalattering to i got all the fuel lines and everything clean and havent had a problem yet.

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