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Re: Gas smell after driving
This sounds like a saturated gas vapor recovery cannister, (part of the evaporative emission control system) have the paper filter on the bottom of the cannister checked blockage, otherwise the fumes can't be sucked out by the emission system on start up purge cycle and u get this gas smell.
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I wish I could be sure and say its the evap hose or the charcle canister that collect gas fume a sends it to the intake for fuel,but in your case you just bought it, be safe take it to a shop let them inspect the vehicle for your concern
No service engine light? A loose gas cap will set a light.
You may want to inspect your fuel filler neck and anything close. For a long while its not uncommon for a person to report the fuel odor issue and have it be where some low life cut a filler neck or puntured a tank to steal fuel. But if that were the case there would usually be a service engine or gas cap light as the systems now days monitor pressures so they can detect leaks in the Evap system.
When you mention a smell though under the hood, do you think the smell could be exhaust? I have seen those manifolds crack. or maybe just a leak from a gasket or exhaust donut.
The high pitch squeal ia most likely the serpentine belt on the front of the engine you can buy some belt dressing from the part store and put it on there and fix that or some soap will work also, the belt may also need to be tightened. As for the egg smell if it smells like eggs it's the catylitic converter doing it's job and is normal, although you should not be able to smell it inside the car when driving you may have an exhaust leak and could be very dangerous carbon monoxide exposure.
If you smell gas while driving, check for leaks first.
Look under the chassis near the gas filler neck. Check under the hood for raw gas odor around the engine. If your hoses are not leaking, your car may need a tuneup. It could be burning too rich.
Did you check for any gas leaks ? Check for gas leaks all over the engine. This is not supposed to happen. There is no way that the gas could get into the cooling system. The odor has to be coming from a leak or maybe the carburator (if equipped) flooded. If the odor goes away. , it may have just been too much gas to the fuel system.
I recently had the same problem. It turned out that the fuel regulator on the engine at the left side just above the intake manifold had an intermitent leak. The gas leaking was not always visible so I had the regulator changed and that solved the problem.