One person said it was probably the fuel pump and someone else said it was probably the carburetor. It even shot fire out from somewhere under the hood this afternoon and my son had to put it out. Would your information be different since we are talking about a old vehicle. It has a big block. Help please. This truck has been a hand full. If the engine is backfiring through the carburetor there might also be a faulty adjusted timing or leaky intake valve.
The oil smells like gasoline and there is a slight leak I am 3, miles over on my all change would this be fixed with just a new filter and oil change or do you think there is something else going on? Thank you. Dear Magnus, I have a same issue with my car, even fuel consumption is too high as comparing with normal car. Do you have OBD2 in your car? If so, read the trouble code memory with an OBD2 scanner and check for any misfires or fuel adjustment problems like a bad sensor.
A car that is running rich will cause a lot of gas in the oil pretty fast. Hi, no OBD2 available. What would be the suggested repair? I have a CRV with 1. There was a piece in Consumer Reports about a problem with this engine getting ga in the oil. Trying to figure out what repairs I should insist on beyond root cause.
Gas getting into the oil is not an easy problem to solve. It's most often caused by bad piston rings. If the dealer does not have a technical service bulletin for this problem yet, I would recommend replacing the engine oil often and make sure to not only drive for short distances. What is considered small distances? I am having this issue. I drive about 5 miles stop for 15 minutes and then drive back.. Yes, that's absolutely short distances. The oil is getting heated much slower than the coolant and to reach full oil temperature it can take more than 15 minutes of driving to heat it to the optimal temperature to vaporize the gas correctly.
Minor edit suggestion. In part 2 you said won't reach high enough temp to evaporate the oil,not the gasoline I think you meant. I have a Ford with a Chevy engine board out 60 over with a tunnel ram into fours I was told those carburetors are too much for that engine could I reject it down to get less gas into the engine. I called the mechanic but he hasn't called back. Is it ok to drive the car? When you can smell the gas on your dip stick. I don't want to throw a rod.
The shop is a mile or so away. I had a pcm driver for injector 4 burn out in a chrsler town and country due to the injectir harness melting as they are notorious for. The injector was stuck open and I lost power with a large white smoke screen coming from my exhaust. I replaced the pcm and changed the oil because it was saturated with gas.
But now when my van comes to operating temp I get a funky smell of burning under the hood and white smoke around my pipe coming off my exhaust manifold.
I can't see any leaking but when I checked my freshly changed oil it's thin again and definitely full of gas. I'm lost at this point. Any suggestions? And ironically it runs withou any misfire but I'm leary of the smoke and the oil being diluted with gas to drive it anywhere.
I changed my fuel pump and I started the blazer and let it run for about ten minute. I turned it off but a short time later I tried to start it. It started but ran really bad when it died I could not start it. It was frooze up I took a plug out and gas poured out when I drained the oil it was mostly gas. My name is Yolanda I checked my oil and it smell like gas and its like a yellow brownish color it runs good its not making no noise there's not white smoke coming out I not having no problem with it its the oil dip stick that xmells like gas thats the only problem I have.
What are the reasons why oil smells like gas? Contents show. Causes of Oil Smells Like Gas 1. Air-fuel mixture way too rich. You only drive for short distances. A faulty fuel injector newer cars. Fuel getting into engine oil is bad, because it will dilute the oil causing engine damage.
Because, fuel getting into engine oil, causes the oil to lose viscosity, lowering engine lubrication. Consequently, fuel getting into […]. Diagnosing a blown head gasket, just by looking for the symptoms, can be quite misleading. So, a blown head gasket is NOT a single thing; because it can may fail in several different ways. As […]. Most of the images displayed are of unknown origin.
We do not intend to infringe any legitimate intellectual right, artistic rights or copyright. Regardless of the misfire, there are chances for gas to enter the crankcase during a misfire. During an engine misfire, all combustion cycles will be affected, hindering adequate air-fuel ignition. During the engine misfire state, the air-fuel mixture will not be completely burnt, which could cause the unburnt fuel to get into the crankcase.
Dirty Fuel: At one point or the other, some filling stations sell dirty patrol. This dirt can be from the truck that supplied the gas, storage well, or as a result of unrefined petroleum. When you pour such gas into your vehicle, once this gas gets to the combustion chamber for igniting process, some of the gas will not burn due to the dirt in the gas. Unburnt gas will find its way to the crankcase. Running Rich Fuel : All car engines are designed to run with a specific air-fuel ratio.
If the fuel injectors or carburetors are sending more fuel than the required amount, the combustion chamber will not burn all the fuel, which will result in fuel passage to the crankcase. There are many reasons for a rich mixture.
Some of the common causes can be damaged MAP sensors, bad mass airflow sensors, or bad oxygen sensors. Not changing your engine will not cause the oil to smell like a motorcycle or gas smell directly. It is imperative to note that a small amount of gas entering your engine oil will not impact, and it might not be noticeable. However, if this small amount of gas passage is built up in your crankcase and you fail to change your oil regularly, you will start noticing the gas smell in the engine oil once the fuel passes 2.
Pouring gas instead of oil : Someone might sporadically pour gas in an engine oil port instead of engine oil. One of the common reasons why one might pour gas instead of motor oil is mixing up containers. Some folks use containers to buy both gas and engine oil. They might mistake these containers for each other. Hence, you should avoid using random containers. Stuck Fuel injectors : The fuel injectors are designed to close themselves automatically after sending the right amount of fuel to the combustion chamber.
If the fuel injectors become faulty, they might get stuck open and pour excess fuel into the cylinder walls. If the excess gas in the crankcase gets too much, it can cause catastrophic engine damage. Like every other issue with your vehicle, some symptoms show you have a faulty component in your car.
If too much fuel mixes with the motor oil, few signs will pop up, indicating that you have some gas volume in the oil pan. Strong Gas Smell : when excess fuel finds its way to the crankcase, like in the case of a stuck fuel injector, a strong gas smell will pop up. The VW beetle has always had an odd problem which can occur because of it's unusual design. The low flat engine places the carburettor a little lower than in most other cars, whilst the fuel tank is mounted a little higher than in most cars - the top of the tank is almost level with the carburettor with the car on level ground.
Behind the engine pulley there are slots in the engine case which are designed to draw air into the crankcase to mix with any gases in the sump, up through the breather attached to the oil filler neck, into the carburettor to be burnt, rather than having oil fumes etc venting to the atmosphere. Inside the case, just behind the slots is an oil slinger ring designed to keep oil from coming out through the slots when the engine is running.
But with the front of the car higher than the rear, and the sump filling with petrol and mixing with the oil, it eventually seeps out through the ventilation slots and drips down under the engine pulley and out under the rear of the car. This is what occurred with this Beetle, and the result was a sump full of diluted oil and a truck with a windscreen covered in oil.
The annoyed driver was scratching his head over this probem until I explained it to him. The fix is to take the air cleaner off, remove the top of the carburettor 5 screws and one throttle spring and replace the brass float valve in the top of the carburettor - they are quite cheap.
At the same time, check the condition of the float itself, as a cracked float filling with fuel will have the same result as a stuck float valve - too much fuel in the float bowl. The float is easily lifted out, but you must care not to lose the plastic retainer looks like a plastic staple or U shape with a curved spine , and also taking care not to lose the float bearing pin which is a loose fit through the float arm.
Hold the translucent float up to the light and check to see if it has any liquid inside.
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