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Old 12-18-2007, 01:30 PM   #1
ScoobySnacker
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2003 WRX
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Default Horrible Gas Mileage/Raw gas smell in cabin

Hey guys,
The past few times i have driven my car i have been noticing that there is a strong smell of raw fuel in the cabin when the blower is on and sitting at the stop light. Here are the things i have been noticing:

-Raw fuel smell in cabin when at a stop light (when the blower is on)
-Lots of grey smoke at start-up and light smoke when at operating temp.
-Terrible gas mileage (170/tank, when i was averaging around 350 before)

Mods:
-2003 wrx
-cobb stage 2
-ebay I/c
-Helix catless up
-protuned by Tim of PDX tuning

So what do you think it is? Maybe a leaky injector? Im trying to get an idea before i start tearing into it.

Thanks in advance
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Old 12-18-2007, 01:39 PM   #2
FromageTheDog
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2005 WRX sedan kid-
bus. OS self-tuned!

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Let's start with the obvious: is the light smoke bluish, or whitish? Bluish == burning oil, possibly the piston rings. Whitish == coolant, busted head gasket.
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Old 12-18-2007, 01:57 PM   #3
blahhblahh
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WR Blue

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ummm...how about a loose fuel line.
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Old 12-18-2007, 01:59 PM   #4
ScoobySnacker
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Quote:
Originally Posted by FromageTheDog View Post
Let's start with the obvious: is the light smoke bluish, or whitish? Bluish == burning oil, possibly the piston rings. Whitish == coolant, busted head gasket.
umm, i dont think so. The smoke is GREY which usually means unburnt fuel. I am not burning oil nor coolant.

Anyone else have some helpful suggestions?
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Old 12-18-2007, 02:00 PM   #5
Mayor McCheese
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Yeah I have a suggestion, use the search button this is a extremely common problem when it gets cold.
Hell there is even a TSB about it.

http://forums.nasioc.com/forums/showthread.php?t=131755
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Old 12-18-2007, 02:26 PM   #6
emsmap
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350???? How do you get 350! I get 230 max and im all stock! I dont dog it either
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Old 12-18-2007, 03:22 PM   #7
sysop
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Yeah I had the cabin fuel smell last winter, but it eventually goes away. In my case it only did it on extremely cold days (like < 20 degrees) after the car was sitting for awhile. It has to do with a faulty rubber seal in the fuel line IIRC. It will be fixed for free at your dealership since there was a TSB on it.

As far as the grey smoke, Im not sure about that. I didnt have that issue. It may not be related to the fuel smell issue. So get the line fixed first then see if the smoke goes away.
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Old 12-18-2007, 03:49 PM   #8
FromageTheDog
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Quote:
Originally Posted by ScoobySnacker View Post
umm, i dont think so. The smoke is GREY which usually means unburnt fuel. I am not burning oil nor coolant.

Anyone else have some helpful suggestions?
You said grey smoke at STARTUP, followed by LIGHT smoke at op temp. Sorry if what I wrote wasn't what you wanted to hear.

Last edited by FromageTheDog; 12-18-2007 at 03:54 PM.
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Old 12-18-2007, 04:54 PM   #9
ScoobySnacker
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Quote:
Originally Posted by sysop View Post
Yeah I had the cabin fuel smell last winter, but it eventually goes away. In my case it only did it on extremely cold days (like < 20 degrees) after the car was sitting for awhile. It has to do with a faulty rubber seal in the fuel line IIRC. It will be fixed for free at your dealership since there was a TSB on it.

As far as the grey smoke, Im not sure about that. I didnt have that issue. It may not be related to the fuel smell issue. So get the line fixed first then see if the smoke goes away.
Thanks for a straight response. I'll look into this.
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Old 12-18-2007, 07:14 PM   #10
ansonb505
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Quote:
Originally Posted by sysop View Post
Yeah I had the cabin fuel smell last winter, but it eventually goes away. In my case it only did it on extremely cold days (like < 20 degrees) after the car was sitting for awhile. It has to do with a faulty rubber seal in the fuel line IIRC. It will be fixed for free at your dealership since there was a TSB on it.

As far as the grey smoke, Im not sure about that. I didnt have that issue. It may not be related to the fuel smell issue. So get the line fixed first then see if the smoke goes away.
tsb does not = recall

thats means your dealership will most likely want you to pay for the 600-700 repair. ive been meaning to send SOA an email about this. I saw the actual line and gas seriously squirts out of it. makes me a little nervous...
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