Sulpher Smell - Page 2 - ZR-1 Net Registry Forums

Tripler · 07-22-2017

The more I think of fire and brimstone, I swear its just crappy fuel we get now and then from the greedy oil companys. Ethonol plays havoc with my vintage bikes and even tho I do my very best to get non ethonol fuel , sometimes it ends up in our tanks . Ethonol melted all my replacement rubber fuel seals on my vintage bikes carburetors and petcock . I had to reinstall all the original rubber seals which being 40+ years old is able to handle ethonol fuels .
I know the 1995 ZR-1 can handle ethonol tho I wonder if ethonol is the cuprit in creating a bad odour , but perhaps the ethonol is cleaning out a few dirty parts also , hence the exhaust odour on startups ...

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lfalzarano · 07-22-2017

https://m.carsdirect.com/car-mainten...ow-to-fix-them

It is most likely your catalytic converters or the emissions system is hosed up.

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GOLDCYLON · 07-22-2017

I was thinking maybe the charcoal purge canister is plugged. Normally that gives you a heavy gas smell at the rear of the car although and not a sulphuric smell

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jss06c6 · 07-22-2017

Mike,

Struggling a bit with "Sulphur" smell.. it shouldn't be in our gasoline. Diesel yes (older distillations), but gasoline not so much. Is the smell like rotten eggs, which is H2S and toxic as hell? I'm leaning toward your cats as well. Is your AIR system still intact or did you remove it? This was old school emissions stuff to push a dose if air into the exhaust stream until the cats came up to temp. If you're still running OEM manifolds with the cats, maybe the fuel is playing with them a bit? I'm really grasping here.

Steve

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spork2367 · 07-22-2017

Quote:

Originally Posted by Tripler

Shell Hightest . No ethonol ...

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That's not a given. Just depends on area and station. Ours here in central PA has ethanol.

Tripler · 07-22-2017

Our Shell hightest gas in Canada most definitely do not have ethonol but while travelling in the states we were not always able to find a gas station with no ethonol ...

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32valvesftw · 07-22-2017

The Egg smell is Sulphur Dioxide and comes from a catalytic converter that is not functioning properly, in most cases. Could be high fuel pressure overwhelming the cat but I think you would have other symptoms if that was the case. Tough to confirm though as you need to replace the cat(s) to confirm. Is the smell constant?

Tripler · 07-22-2017

The smell is not constant and it only did it 2 or 3 times on startup over the last month or so .After the car starts and isrunning the smell was only for a few seconds .

spork2367 · 07-22-2017

Quote:

Originally Posted by Tripler

Our Shell hightest gas in Canada most definitely do not have ethonol but while travelling in the states we were not always able to find a gas station with no ethonol ...

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Yeah, Canada doesn't force you to subsidize the corn industry when you buy gas. Finding ethanol free gas at the pump in the US gets harder every year.

jss06c6 · 07-23-2017

Quote:

Originally Posted by 32valvesftw

The Egg smell is Sulphur Dioxide and comes from a catalytic converter that is not functioning properly, in most cases. Could be high fuel pressure overwhelming the cat but I think you would have other symptoms if that was the case. Tough to confirm though as you need to replace the cat(s) to confirm. Is the smell constant?

Too many years in the oil patch.. Hydrogen Sulfide or H2S smells like rotten eggs and is fatal. Wasn't aware of Sulphur Dioxide coming out of the cat.. good to know.

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07-22-2017	#11
Tripler Join Date: Apr 2013 Location: Toronto Posts: 716	Re: Sulpher Smell The more I think of fire and brimstone, I swear its just crappy fuel we get now and then from the greedy oil companys. Ethonol plays havoc with my vintage bikes and even tho I do my very best to get non ethonol fuel , sometimes it ends up in our tanks . Ethonol melted all my replacement rubber fuel seals on my vintage bikes carburetors and petcock . I had to reinstall all the original rubber seals which being 40+ years old is able to handle ethonol fuels . I know the 1995 ZR-1 can handle ethonol tho I wonder if ethonol is the cuprit in creating a bad odour , but perhaps the ethonol is cleaning out a few dirty parts also , hence the exhaust odour on startups ... Sent from my LG-H831 using ZR-1 Net Registry mobile app

07-22-2017	#12
lfalzarano Join Date: Feb 2011 Location: Clayton, North Carolina Posts: 1,133	Re: Sulpher Smell https://m.carsdirect.com/car-mainten...ow-to-fix-them It is most likely your catalytic converters or the emissions system is hosed up. Sent from my iPhone using ZR-1 Net Registry __________________ Lou[COLOR="Red"][B][SIZE="4"][/SIZE][/B][/COLOR]

07-22-2017	#13
GOLDCYLON Join Date: May 2007 Location: Peoria, AZ Posts: 9,153	Re: Sulpher Smell I was thinking maybe the charcoal purge canister is plugged. Normally that gives you a heavy gas smell at the rear of the car although and not a sulphuric smell Sent from my iPad using ZR-1 Net Registry __________________ GOLDCYLON - 91 ZR-1 #2014 GOLDCYLON - 90 ZR-1 #2794, 4L60e (Formerly Schrade's) GOLDCYLON - 11 CTS-V Arizona State Director 91 WHITE/BLACK #2014. 380 P&P&PCed,Ported Heads, Jeal Long tubes, Corsa Exhaust/FIKSE FM-5s /LED TLs, LED Headlights, Front Wilwood 6 piston narrowlite calipers and rear Wilwood caliper street shop mod,CNCed Coolant Pipes,TPI Cvr,Filter cover,Stainless Bolts, DRM/DOM PROM /ZFDOC mod build #102,DRLs,BMAD with stainless Debris Screen,Coplan Air Blaster, Pioneer APP Radio 4,Brey-Krause HB,Sub Bar,Fire extinguisher seat mount,DRM Coilovers,LEDs everywhere,Compass mirror (orange),V1 DIC hidden display, Homelink sun visor, Carbon Fiber top x3 and APSIS Carbon Fiber interior, APSIS CF Steering Wheel/NAPA Leather, Banski trailing arms, Guldstrand front suspension,urethane bushings from Prothane (total suspension) ZFDoc drive shaft safety loop, raptor shift light (orange),AO engineering louver front plate, Console seat cushion, 96CE seats with black custom Sheepskins, ss billet catch can,Viper remote entry/alarm,Cragar Rear Louvers,LED side louver lights, Dewitts Radiator with SPAL fans and a Woods 160 T-Stat 90 RED/BLACK #2794. 4L60e Automatic Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless Headers, Corsa Exhaust, SAN Secondaries and Haibeck PROM, Exotic Muscle Coil overs, LED Interior Lights, LED Tail Lights, LED Headlights, 94 Sport seats with black custom Sheepskins , Cragar rear louvers, GS Front calipers, Banski Trailing arms, APSIS Carbon Fiber steering wheel, Front and Rear Baer Eradispeeds, DRLs, Guldstrand front suspension,urethane bushings from Prothane (total suspension), Dewitt's Raditor with Dual SPAL fans and a Haibeck 170 T-Stat 11 RED/GREY CTS-V

07-22-2017	#14
jss06c6 Join Date: Aug 2015 Location: Magnolia, Texas Posts: 884	Re: Sulpher Smell Mike, Struggling a bit with "Sulphur" smell.. it shouldn't be in our gasoline. Diesel yes (older distillations), but gasoline not so much. Is the smell like rotten eggs, which is H2S and toxic as hell? I'm leaning toward your cats as well. Is your AIR system still intact or did you remove it? This was old school emissions stuff to push a dose if air into the exhaust stream until the cats came up to temp. If you're still running OEM manifolds with the cats, maybe the fuel is playing with them a bit? I'm really grasping here. Steve Sent from my XT1585 using ZR-1 Net Registry mobile app

07-22-2017	#16
Tripler Join Date: Apr 2013 Location: Toronto Posts: 716	Re: Sulpher Smell Our Shell hightest gas in Canada most definitely do not have ethonol but while travelling in the states we were not always able to find a gas station with no ethonol ... Sent from my LG-H831 using ZR-1 Net Registry mobile app

07-22-2017	#17
32valvesftw Join Date: Jun 2015 Location: Texas Posts: 530	Re: Sulpher Smell The Egg smell is Sulphur Dioxide and comes from a catalytic converter that is not functioning properly, in most cases. Could be high fuel pressure overwhelming the cat but I think you would have other symptoms if that was the case. Tough to confirm though as you need to replace the cat(s) to confirm. Is the smell constant?

07-22-2017	#18
Tripler Join Date: Apr 2013 Location: Toronto Posts: 716	Re: Sulpher Smell The smell is not constant and it only did it 2 or 3 times on startup over the last month or so .After the car starts and isrunning the smell was only for a few seconds .