Gas smell.
 

Ever since the install ive had a small gas smell after driving around a bit.

Do you think my a/f are rich? Im guessing thats what the "gas smell" would be.

If yall think im rich i can try turning up the boost a psi or two and see if it makes the smell go away, let me know what you think.

turn the car to ON.

jump F/P and GND in the diag. box.

take a wrench to the fuel return line and clamp down.

watch as fuel sprays all over...fix.

Im pretty sure the smell is more of really gassy smelling exhaust fumes is why i think it is a rich mixture.

So, you are saying when the fuel pump is on its leaking out of the return line?



Im sorry, im trying to comprehend what you are saying here:

Jump the fuel pump and ground to a power source.

Take a wrench to the fuel return line, clamp it down.

See where the fuel sprays out.

Fix where it sprays.

Thats what i got from it, im going to take a look right now.

yes, that's what im saying....i think you have a leak in boost. I have yet to smell gas fumes with just a super rich mixture...and I've run 9:1 before.

Alllright, ill look that over. Thanks for the tips.

Do you have a BOV venting to atmosphere? After a hard run my car smells like gas because of it. Just for a short while and not that bad, but you said yours was after driving. Not sure if its the case, but just a thought.

HMMMM, that could be a very good point.

Yeah its VTA, and the vent is upwards pointing towards the hood.

It is a very feint gas smell, and usually goes away pretty soon- if i cant find a leak anywhere ill just assume thats it.

When my car had an exhaust leak at the manifold and was running super rich I could smell the gas from the exhaust.

Yeah, im pretty sure theres no exhaust leak. When i did have one(where the turbo met the mani) it was very loud, and boost came super late.

When i hit boost it sounds more like a sportbike, high pitched and really clean sounding.

I couldn't really hear my exhaust leak. But I did spool slower and wasn't able to boost very high (7-8psi).

Hmm im doubting it is an exhaust leak, but you got me worried =/.

Perhaps ill put a baloon or a condom over the bov and after i fill it up smell it =P.

Ahaha that would be too funny.

whatever works ;)

I vote for condom... take a picture to post when people ask "safe boost" questions.

Ummm... how could the smell of gas come from the BOV? It's up stream of the injectors and throttle body. Any of the air it vents shouldn't contain gasoline. It should be venting anything from the TB to the turbo.

Unless of course it's an Australian model and runs backwards.

Hmm, im not really sure.

Ill let you know when i do the condom test if i can smell gas, haha.

Please for the love of god video tape it when you do.

Haha, i should. I think im just gonna get a pic or two.

Lol, i can see it now- im on the side of the road with a 4 foot long blown up condom coming out of my engine bay.

I can use different brands and pressure test them for durability, ill be rich!

I have the same problem....I can't run the heater on fresh air....recycled only.

not sure where the fumes are coming from but very interested in what you would find out.

it's exhaust fumes not raw gas fumes.

SAE, did you remove the gasket/weather-stripping between your hood and cowl, by chance?

Can't think of any other way fumes are getting into your HVAC blower.

Yeah, I've been living with the smell for months. It gets old when you smell like a gas station wherever you go. :(

Take a length of vaccuum hose that's about 2ft long. Stick one end in your ear and use the other end to probe around all the flanges. It'll be really obvious if you have an exhaust leak.

If you are smelling raw exhaust from under the hood it stands to reason that you might have an exhaust leak. :)

yeah I did remove the seal.........good point.

I just wish I would've saved it now.
:eek:

When the BOV vents, the car runs rich. When it runs rich it smells like gas. No gas should be coming from the BOV, not sure where. I'm pretty sure its the exhaust but I'm not sure where that smell comes from.

no check valve on the Charchol Cansiter?

Yup, there's a reason Mazda put it there ;)

It took me a bit to find my leak. Not to say that you have one, but mine was so small, that the gas would evaporate before it would drip. It was just small enought that you could smell it. Turned out out to be the hose clamps were not stong enough to hold the pressure.

Kmag

bingo... that's a very likely candidate.

Thats it.

I never put one on, so boost is going into the canister...

Hmm is there an easy fix for this, that doesnt require getting a check valve? Seems i could just remove the whole thing (no emissions here) and cork off the vac lines that were used, or just use them for something else instead of ting off of one.

Seems like a $2 check valve and a pair of scissors with which to install it is pretty much the very definition of an "easy fix."

Thats true, but id rather rip it out and save 5 lbs since i dont need it, haha.

If i were to just rip it out and either plug or use the vac lines it was using for something else, would that work?

Ill most likely fix it, in case i need to pass emissions one day...

From doing a little research on m.net I found that a lot of people complained of smelling gas fumes after removing the charcoal canister. Ironic isn't it? I haven't removed mine, so I can't speak from experience so take what I say with a grain or two of salt.

Jay

don't close 'em, loop 'em.

if you loop them arn't you connecting your fuel tank to a vacuum source? seems like that could suck through fuel in corners (slosh) and make ya run uber rich.

Yeah, that seems probable. Im just going to one way valve it, but i couldent find one yesterday when i went looking. I went to ACE and Checkers.

Gonna give autozone a try tomarrow.

you can get them in the fish tank section of walmart, petco, etc. they will be labeled as check valves for fish tank air pumps. usually between $0.60-$2.50 depending on quality and components. Plan on replacing them once a year since the gas fumes will eat them up.

HELP! section of autozone or advanced or pepboys.

Alllright, thanks a ton guys.

loop the hardlines together, the vacuum on top of the canister is eliminated.