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How Much Fuel Can Leak In 2 Weeks?

rondofj

By rondofj,
in Engines & Forced Induction

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rondofj Veteran

rondofj

Posted
Posted

Ahh so basically I just fill up today and realize that my 34 has used around over 19L/100KM, the thirsty bastard! It pretty much always used to go 15-16L/100KM everytime and these last two weeks of driving 200KMs, it drinks more - my driving style hasnt changed - I do the occasional 15 second short burst of limiter bashing madness daily when I can, the rest of the driving is normal and relaxed, but spirited when the road is clear...eeeh

Now the issue is I have changed my fuel pump a couple or so months ago and since then I have a small leak in my boot - I have a new fuel tank seal sitting around, just cant be arsed fitting it - its a pain opening that goddamn knurled plastic cap on the fuel tank. I know theres a leak because I can smell fuel in the cabin esp when it is a fuel tank, not empty. But not always, sometimes theres no smell of fuel even though I know I have a lot of gas in the tank.

So the question - can my tank leak THAT much fuel to make my economy go from 15 to 19L/100KM????? If yes, then time to change that seal! :(

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DVS JEZ Grand Master

DVS JEZ

Posted
Posted

I tuned it after the fuel pump rewire and fuel pump install,

i think its down to your driving lol, ive seen the way you drive Ron haha.

Nistune updated there software and i lost your tune from my laptop but im pretty sure your 02 sensor is on. i might have to have a look next time we meet up.

do the fuel pump seal then recheck :)

rondofj Veteran

rondofj

Posted
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Posted

Yep will do the seal and keep track of my fuel use, btw if the tune was thrown out it wud act a bit differently but it dosent, also jez, before the tune i used to have that 'weld me to the seat' torque between 5500-7000rpm, after tuning i seem to have lost that top end but gained smoothness and better low n mid range power/ torque.. Why is that? Miss that top end now, i didnt say anything then as i thought thats the way it should be or im probably imagining, but now i know for sure that i have lost the top end unfortunately; i take it to the limiter now n then to convince myself that i havent really lost it and hence it drinks more fuel! Ha ha need to assure myself that its still there wheres it gone lol

The Bogan Grand Master

The Bogan

Posted
Posted

Fix it or the fumes may kill you or if the level of fumes mixes with the air in the right amount your car will explode if a spark is introduced.

Don't be lazy when it comes to safety.

DVS JEZ Grand Master

DVS JEZ

Posted
Posted

Its only been road tuned and i have backed some timing out. I really dont like adding timing on the road. We can run it on the dyno an push harder if u want or wait till u get ur bigger turbo. Up to u matey.

SargeRX8 Grand Master

SargeRX8

Posted
Posted

Mine leaked. No more than 200ml fuel for the same reason, busted seal after pump install. Wouldn't really affect fuel economy but I don't know how comfortable you are with a petrol leak... Gasket cost 15 from nissan but 3 weeks to get to me so I ensured never fill a full tank until I fixed it.

Kinkstaah Grand Master

Kinkstaah

Posted
Posted

It's a pretty golden rule of cars, any car, that you dont want fuel ANYWHERE other than where you specifically want fuel.. if you dont feel comfortable changing it, get a shop to do it... you just don't want fuel exploding in any incorrect area, nor do you want fumes messing with your head while driving, its a core safety thing that is well worth the uh, 40 minutes it'd take to get it sorted

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