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Rb26 Fuel Injectors - Are They Prone To Leakage?

CRoNic...

By CRoNic...,
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CRoNic... Grand Master

CRoNic...

Posted
Posted

Just recently I had my 32 GTR serviced, etc and ever since I got it, it's had a strong petrol fume smell. It turned out to be a small fuel injector leak. Now 3 injectors are leaking!

I've been told by multiple people that simply replacing the O-Rings will fix the issue, but my mechanic has suggested paying $330 per injector to get all 6 replaced. I'm not prepared to go down the larger injector path due to a stock ecu, so I'm getting brand new genuine Nissan parts.

Would it be the O rings or are these injectors prone to leakage, as I've heard that these days as the 32 GTR's age, the actual injector beings to leak.

Cheers

Lunatikk Rising Star

Lunatikk

Posted
Posted

Sometimes a fresh set of o-rings can fix it but the injectors can also leak from the body (the yellow cap at the top of the injector) & from what I know they're not viable to fix but I may be wrong. Clean them down with some degreaser/WD40 etc, dry 'em off & lightly sprinkle with some talcum powder or some other fine powder. Go for a short sharp drive (on boost) & see if that helps hi-light where the leaks are coming from. O-rings from memory ar 8x2mm & last time I got a set the guy at the shop wouldn't even take anything for 'em, they're only a few cents each.

Seriously though if you're looking to pay $1980 for 6 std injectors new from Nissan you could get a PowerFC, a new set of big injectors & a quick tune for about the same money. Think VERY seriously before rushing in & spending that amount on stock injectors only.

Good Luck with it, let us know the end-result

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