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Petrol or gasoline fumes or another type? A small coolant leak can create a strong odour, usually a spicy smell.
A cooking battery smells rather acidic.
Vauxhall/Opel fuel lines aren't the greatest and sometimes develop a small leak and this also applies to the fuel tank breather hoses - but these are possible problems only when regular maintenance isn't thoroughly carried out.
A strong smell of petrol means a strong possibility of fire so it is very important to find the cause and cure it.
Any significant leak would leave evidence on a clean smooth floor but if the smell isn't strong when the car is running but stationary and there is no evidence underneath then there is a distinct possibility it only leaks while being driven.
While being driven the engine will move around on the flexible engine mounts as a reaction to acceleration and deceleration and a few feet of fuel pipe near the front will be flexing because of that. It is possible a joint might be leaking a little or a crack in a pipe is opening as the engine moves.
A strong fuel smell indicates a leak and unless the leak is directly on the floor there will be evidence though a good light and a degree of patience will be needed - and of course being at eye level with the area being inspected.
In most cases smelling gas inside the car comes from air entering the venting system from the engine compartment. Just a few drops can cause a strong smell. And a small leak may be tough to find. It could be excess fuel going out the exhaust pipe, but your check engine light should be on if that were the case.
When your engine misfires fuel is still being pumped into the engine, it's just not being ignited. You need to find the cause of the misfire first. It could be: a bad sparkplug, a bad sparkplug wire, a leaking head gasket, a bad ignition coil, or cracked engine block. I'd start with the spark plugs first, then the ignition coils as they commonly fail. Good luck!
I had a similar problem with a 92 when I replaced the float/level sensor in the tank. Did you recently change the pump or sensor? Check the tightness of anything you may have loosened or opened. There is also a line that usually drains water from the depression in which the filler cap sits. If you have a bad cap and even a minor overflow or spill from a fill-up, gas could leak into the trunk and once absorbed into the carpeting it is very difficult to remove the smell from the matting. I power washed mine with solvents and water based detergents, three times and let them air dry each time, finally placing an odor absorbing chemical in the trunk to solve the problem. Good luck hope this helps.
Hi there, just under the rear seats is where the fuel tank sender unit is and sometimes the seal will leak out strong smell of petrol, you need to remove the rear seats and the sender unit cap and check the seal, may need replacing, hope this helps.
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