sickly sweet exhaust smell
#11
Guest
Posts: n/a
Re: sickly sweet exhaust smell
Simon Juncal did pass the time by typing:
> Will a new catalytic converter get rid of that smell or is that also a
> Jeep thing? Seems like all my buddies Jeeps have had that smell. I'm
> putting on an all new exhaust from the manifold back... and wondering if
> I should bother with the cat, no emissions to worry about where I live.
Worst possibility first:
Check your antifreeze level and check it for oil while your there.
You could have a cracked head gasket and be sucking in coolant.
Pull each sparkplug and see what it looks like. If all are slightly
sooty and one is squeeky clean, that's the cyl that is sucking antifreeze.
You don't say how old it is, new exhaust systems will smell funky
till the machining oil burns off and the metal carbons up.
A failing catalytic converter usually smells like rotten eggs
--
DougW
> Will a new catalytic converter get rid of that smell or is that also a
> Jeep thing? Seems like all my buddies Jeeps have had that smell. I'm
> putting on an all new exhaust from the manifold back... and wondering if
> I should bother with the cat, no emissions to worry about where I live.
Worst possibility first:
Check your antifreeze level and check it for oil while your there.
You could have a cracked head gasket and be sucking in coolant.
Pull each sparkplug and see what it looks like. If all are slightly
sooty and one is squeeky clean, that's the cyl that is sucking antifreeze.
You don't say how old it is, new exhaust systems will smell funky
till the machining oil burns off and the metal carbons up.
A failing catalytic converter usually smells like rotten eggs
--
DougW
#12
Guest
Posts: n/a
Re: sickly sweet exhaust smell
Simon Juncal did pass the time by typing:
> Will a new catalytic converter get rid of that smell or is that also a
> Jeep thing? Seems like all my buddies Jeeps have had that smell. I'm
> putting on an all new exhaust from the manifold back... and wondering if
> I should bother with the cat, no emissions to worry about where I live.
Worst possibility first:
Check your antifreeze level and check it for oil while your there.
You could have a cracked head gasket and be sucking in coolant.
Pull each sparkplug and see what it looks like. If all are slightly
sooty and one is squeeky clean, that's the cyl that is sucking antifreeze.
You don't say how old it is, new exhaust systems will smell funky
till the machining oil burns off and the metal carbons up.
A failing catalytic converter usually smells like rotten eggs
--
DougW
> Will a new catalytic converter get rid of that smell or is that also a
> Jeep thing? Seems like all my buddies Jeeps have had that smell. I'm
> putting on an all new exhaust from the manifold back... and wondering if
> I should bother with the cat, no emissions to worry about where I live.
Worst possibility first:
Check your antifreeze level and check it for oil while your there.
You could have a cracked head gasket and be sucking in coolant.
Pull each sparkplug and see what it looks like. If all are slightly
sooty and one is squeeky clean, that's the cyl that is sucking antifreeze.
You don't say how old it is, new exhaust systems will smell funky
till the machining oil burns off and the metal carbons up.
A failing catalytic converter usually smells like rotten eggs
--
DougW
#13
Guest
Posts: n/a
Re: sickly sweet exhaust smell
Simon Juncal did pass the time by typing:
> Will a new catalytic converter get rid of that smell or is that also a
> Jeep thing? Seems like all my buddies Jeeps have had that smell. I'm
> putting on an all new exhaust from the manifold back... and wondering if
> I should bother with the cat, no emissions to worry about where I live.
Worst possibility first:
Check your antifreeze level and check it for oil while your there.
You could have a cracked head gasket and be sucking in coolant.
Pull each sparkplug and see what it looks like. If all are slightly
sooty and one is squeeky clean, that's the cyl that is sucking antifreeze.
You don't say how old it is, new exhaust systems will smell funky
till the machining oil burns off and the metal carbons up.
A failing catalytic converter usually smells like rotten eggs
--
DougW
> Will a new catalytic converter get rid of that smell or is that also a
> Jeep thing? Seems like all my buddies Jeeps have had that smell. I'm
> putting on an all new exhaust from the manifold back... and wondering if
> I should bother with the cat, no emissions to worry about where I live.
Worst possibility first:
Check your antifreeze level and check it for oil while your there.
You could have a cracked head gasket and be sucking in coolant.
Pull each sparkplug and see what it looks like. If all are slightly
sooty and one is squeeky clean, that's the cyl that is sucking antifreeze.
You don't say how old it is, new exhaust systems will smell funky
till the machining oil burns off and the metal carbons up.
A failing catalytic converter usually smells like rotten eggs
--
DougW
#14
Guest
Posts: n/a
Re: sickly sweet exhaust smell
DougW wrote:
> Worst possibility first:
>
> Check your antifreeze level and check it for oil while your there.
>
> You could have a cracked head gasket and be sucking in coolant.
> Pull each sparkplug and see what it looks like. If all are slightly
> sooty and one is squeeky clean, that's the cyl that is sucking antifreeze.
Good idea, it doesn't have any classic signs; very little smoke at start
up, none visible while running, no odd temp changes or overheating
spikes. I'm definitely keeping an eye on the coolant and oil though.
Last I checked the oil and coolant was clean, and the plugs looked fine.
I've smelled this on a lot of jeeps (but not all of them) it's
definitely more of the sulfur rotten eggs thing... But it's more like
the exhaust just has MORE too it, amplified if that makes sense.
#15
Guest
Posts: n/a
Re: sickly sweet exhaust smell
DougW wrote:
> Worst possibility first:
>
> Check your antifreeze level and check it for oil while your there.
>
> You could have a cracked head gasket and be sucking in coolant.
> Pull each sparkplug and see what it looks like. If all are slightly
> sooty and one is squeeky clean, that's the cyl that is sucking antifreeze.
Good idea, it doesn't have any classic signs; very little smoke at start
up, none visible while running, no odd temp changes or overheating
spikes. I'm definitely keeping an eye on the coolant and oil though.
Last I checked the oil and coolant was clean, and the plugs looked fine.
I've smelled this on a lot of jeeps (but not all of them) it's
definitely more of the sulfur rotten eggs thing... But it's more like
the exhaust just has MORE too it, amplified if that makes sense.
#16
Guest
Posts: n/a
Re: sickly sweet exhaust smell
DougW wrote:
> Worst possibility first:
>
> Check your antifreeze level and check it for oil while your there.
>
> You could have a cracked head gasket and be sucking in coolant.
> Pull each sparkplug and see what it looks like. If all are slightly
> sooty and one is squeeky clean, that's the cyl that is sucking antifreeze.
Good idea, it doesn't have any classic signs; very little smoke at start
up, none visible while running, no odd temp changes or overheating
spikes. I'm definitely keeping an eye on the coolant and oil though.
Last I checked the oil and coolant was clean, and the plugs looked fine.
I've smelled this on a lot of jeeps (but not all of them) it's
definitely more of the sulfur rotten eggs thing... But it's more like
the exhaust just has MORE too it, amplified if that makes sense.
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