My 2001 Camry has about 75,000 miles on it. In July 2008, I began to notice the sweet smell of engine coolant inside of the car after I drove it for several hours on a series of consecutive short trips (errand running) and then let it sit in the driveway to cool off. My mechanic did a pressure test on the system which showed a slow leak, but he could not determine from where. I continue to smell the same sweet smell after I have driven it and let it cool off and when I get in it first thing in the morning. My mechanic pulled the carpet back around the console to look at the heater core to see if it was leaking. The insulation inside the compartment was dry and he could see no leaks or drips. He thinks it might be the heater core, but is unsure. I take the car out of town three and four hours away from home for work every couple of months and I am afraid the car is going to strand me some where I don't want to be. Help!! What is wrong with it?
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Could be a number of things... if it's strong inside car (almost sweet smelling) check passenger side carpet - could be heater core leak. It it's outside check all hoses, & waterpump (lower front center)
Hi yu heater smelling sweet is not a good thing. There is an engine coolant leak probably in the heater core and the smell your noticing is aspirated ainti-freeze. Check your engine coolant. It should be slowly lowering. The only fix is to have the heater core replaced. You can for the moment bypass the heater core by looing the hoses together with a nipple on the engine side of the firewall but you will have no heat or heated defrosting abilities until you replace the heater core.
I was going to say water pump but no block the water inlet to throttle body and let run a while can you smell a sweet smell or steam comming from your tail pipe Next is a die test you can do . Put the die in your rad and go for a 5 mile ride now use a cheep black lite $3.00 at lowes the leak will show up. good luck CJ
With the engine cool, Check coolant level, or may be overheating. If coolant is low or severely low, fill it, keep cap off and start engine, allow it to run and continue to add antifreeze until level of coolant stops going down and replace cap. Fill the expansion (overfill) tank to the full cold level. Allow engine to reach operating temperature while observing the engine, radiator, and hoses for leak and look under car for drips. Also check for wet carpet inside at the front, usually on the passenger side (not sure exactly where heater core is in your Kia), so also check the drivers side. This will indicate a defective heater core, if the leak is bad. If the leak is only minor in a heater core you will notice a sweet smell inside and/or windows will steam up when you run the defrost. Also, if coolant is low check radiator cap, If you don't have to push down with slight-medium force to turn and remove it, it may be leaking there. Hope this helps.
when coolant gets into a cylinder it will eather keep the plug from firing or the plug will fire and the coolant will become steam (lots of it ) out the tail pipe and will smell sweet. if this is happening it is a head gasket problem.