Q: Strong smell of gas engine knocking

asked by on January 16, 2017

My car was running fine. I stopped at a friends and sat in it for a bit chatting, it was off. When I turned it back on I got a strOmg smell of gas and a knocking sound. Felt like it was going to stall. I turned it off checked the oil was a bit low added oil and restarted it. With the hood up it was visible that the engine was shaking.what could this be

My car has 150000 miles.
My car has an automatic transmission.

Smell in the car Inspection $79.99 - $99.99 Get a Quote

Hi there. It’s possible that either you have a fuel leak or a vacuum leak that is causing the shaking issue you’re experiencing. Since you’re smelling gasoline, I would highly recommend having a professional mechanic complete a smell of gas inspection; as this could be a safety issue.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing


Experienced Mechanic?

Earn up to $65/hr

What others are asking

How do you clear the MyKey system?

While the MyKey® system on your car can provide enhanced safety and peace of mind, it may be necessary to clear it eventually. After all, the point is to teach younger drivers responsible habits. Once they’ve learned, you should clear...

When its cold my car door won't shut

Hello. From what you describe it would appear that your door latch mechanism may be getting stuck, perhaps due to the cold weather. You may be able to apply some sort of lubricant to the mechanism that may remedy the...

My car still overheats, I replaced water pump and thermostat, and now after water pump install it knocks bad

Hi there: Trying to diagnose an overheating issue remotely is incredibly difficult. However, there are three things you can do to attempt to solve this issue. First, remove the water pump, verify it's the right replacement part and reinstall with...

My 2008 escape 2.3l 4wd needs an engine so can I use and engine out of a front wheel drive escape even though mine is 4 wheel driv

Hi there. Unfortunately, our mobile mechanics do not offer engine swap services in North America, so we're really not best suited to answer this question for you. The best advice we can offer is for you to contact a local...

how many front and rear suspension bushings does a base 2002 acura rsx have?

I see at least 8 bushing "positions" in the catalog. Depending on application, position, make and model, some of these control arm bushings bushings will last for much longer than 15 years (your car is 15 years old). The bushings...

Replacing pinion bearing on a 2002 Ford Explorer

Yes, why not get a used unit? Unfortunately, replacing those pinion things is a very complex and involved job. You need years of experience for a job like this. Now, sometimes I would take the differential off of a...

What do I do if the engine temperature gets too hot?

The engine temperature of your truck is important to keep an eye on. It is critical to safe vehicle operation and it is important to take the correct steps if overheating occurs. When the engine temperature gets too hot. ...

65 Thunderbird all wheels locked.

The method to release a stuck parking brake on your model depends on where the fault is. If the cable is seized to the sheath, then the cable will have to be released (cut) within the drum brake assembly. If...

AC compressor failure

Hello. Yes, all of the things listed are usually recommended when replacing an AC compressor. AC systems are very sealed and pressurized, and taking the precaution to replace the associated components helps prevent any premature failure's of any sort. The...

Related articles

The Best Used Cars to Buy If You're a Personal Trainer
As As a personal trainer, you either operate out of a gym, or you go to your clients. Either way, you probably don’t have to haul any more gear than what fits into your gym bag, so your main focus...
The Best Used Cars to Buy for First Time Car Owners
Owning Owning your very first car is an exciting time in a person’s life. Likely you want to put a lot of thought and research into the process to ensure you get something that meets your needs, is fun to...
The Top 5 Selling Cars in Connecticut in 2012
Connecticut Connecticut offers plenty of rain and its fair share of snow during the winter months, which means drivers need vehicles that can handle these conditions. Top selling vehicles in previous years have included the Toyota Camry, Corolla and the...