what's that smell?

initial V · Sep 25th, 2006, 07:06 AM

i've noticed that my car has a stinky, sulfaric-like smell when i rev within the mid to high ranges.
anyone have any ideas?

LIUSPEED · Sep 25th, 2006, 09:24 AM

check your a/f ratio or something maybe it running too rich or too lean i cant remember which is which that will give you that smell

initial V · Sep 25th, 2006, 05:21 PM

Quote:

Originally Posted by LIUSPEED

check your a/f ratio or something maybe it running too rich or too lean i cant remember which is which that will give you that smell

MIXTURE RATIO TEST RESULTS
OK
=== REFERENCE DATA ===
ENG SPEED: 2396rpm
MAS A/F SE-B1: 1.7V
COOLAN TEMP/S: 196 DEG F
CLSD THL POS: OFF
INJ PULSE-B1: 2.3msec
HO2S1-B1 MAX: 0.78V
HO2S1:B1 MIN: 0.06V
HO2S1-B1 CNT: 5
A/F ALPHA-B1: 94%

TeKKiE · Sep 25th, 2006, 05:35 PM

You need to check again at the mid to high ranges where you smell it most.

Sulphur is normally more prominent if your motor is running lean. If it ran too rich, it'd smell like unspent fuel.

initial V · Sep 25th, 2006, 05:47 PM

Quote:

Originally Posted by TeKKiE

You need to check again at the mid to high ranges where you smell it most.

Sulphur is normally more prominent if your motor is running lean. If it ran too rich, it'd smell like unspent fuel.

it starts to stink at mid range.

TeKKiE · Sep 25th, 2006, 06:31 PM

MIXTURE RATIO TEST RESULTS
OK
=== REFERENCE DATA ===
ENG SPEED: 2396rpm
MAS A/F SE-B1: 1.7V
COOLAN TEMP/S: 196 DEG F
CLSD THL POS: OFF
INJ PULSE-B1: 2.3msec
HO2S1-B1 MAX: 0.78V
HO2S1:B1 MIN: 0.06V
HO2S1-B1 CNT: 5
A/F ALPHA-B1: 94%
__________________

Then the above is tested at mid to high range? How many times was the test run?

IMO anything under 2500RPM is considered low band, but that's just me

initial V · Sep 25th, 2006, 06:39 PM

Quote:

Originally Posted by TeKKiE

MIXTURE RATIO TEST RESULTS
OK
=== REFERENCE DATA ===
ENG SPEED: 2396rpm
MAS A/F SE-B1: 1.7V
COOLAN TEMP/S: 196 DEG F
CLSD THL POS: OFF
INJ PULSE-B1: 2.3msec
HO2S1-B1 MAX: 0.78V
HO2S1:B1 MIN: 0.06V
HO2S1-B1 CNT: 5
A/F ALPHA-B1: 94%
__________________

Then the above is tested at mid to high range? How many times was the test run?

IMO anything under 2500RPM is considered low band, but that's just me

well, it wasn't me that did the test run.
i dropped off at the dealership and this is what they gave me.

TeKKiE · Sep 25th, 2006, 07:42 PM

OIC. What kind of gas are you running with? I personally wouldn't drive with anything less than at least 91 octane fuel in an SE-R, but that's just me. I honestly wouldn't use less than premium or 93 depending on your state, but 91 would suffice.

I actually use 93 in my GA16DE with very few modifications.

initial V · Sep 25th, 2006, 08:08 PM

Quote:

Originally Posted by TeKKiE

OIC. What kind of gas are you running with? I personally wouldn't drive with anything less than at least 91 octane fuel in an SE-R, but that's just me. I honestly wouldn't use less than premium or 93 depending on your state, but 91 would suffice.

I actually use 93 in my GA16DE with very few modifications.

i'm running always running 91 octane.
there are no stations here with 93 octane.

LEONGSTER · Oct 22nd, 2006, 09:12 PM

Quote:

Originally Posted by initial V

i've noticed that my car has a stinky, sulfaric-like smell when i rev within the mid to high ranges.
anyone have any ideas?

Some owners have found intake butterfly valve screws that worked themselves loose and lodged in the cat converter, producing the rotten egg smell.

Have the dealer check the screws. They're known to come loose.

03SPEC-V805 · Oct 23rd, 2006, 06:10 PM

Quote:

Originally Posted by LEONGSTER

Some owners have found intake butterfly valve screws that worked themselves loose and lodged in the cat converter, producing the rotten egg smell.

Have the dealer check the screws. They're known to come loose.

Over the weekend i actually gutted my cat from the headers. I discovered that about 1/4 of the honeycomb inside was completely gone. After everything was put back on i got that horrible egg smell. After driving for about an hour or two the egg smell was gone. I can just smell that the car is running a little rich. Gotta check those butterfly valves this weekend... oh yeah and gutting the cat made my car flow A LOT better and smoother.

habenero2002 · Dec 17th, 2006, 05:26 PM

Since 1/4 of the cat is gone it has been sucked into the engine. This destroys the piston rings but since you gutted the cat you have voided any kind of warranty or goodwill type of repair. Until you gutted you cat it was covered by a 8year 80k warranty that would have covered your engine has a direct cause of failure.