Skip the auto shop - Our mechanics make house calls

Q: Check engine light came on and driver smelled gas

asked by on

While driving the other day, the check engine light came on and I smelled gas. I took it to the dealership and was told that there was a gas leak from the rollover valve on the gas tank. It was repaired, but once again the same problem is happening. Conducting my own investigation, I learned that when it had been repaired, they had used epoxy. Can you tell me how I can get my car fixed permanently?

A: This is a known issue in many of the Audi&#...

This is a known issue in many of the Audi's. An epoxy fix, as you may know, is a very tricky and somewhat of a gamble-type of fix. There is a chance it may hold for a very long time and there is a chance that it may not hold long at all.  What you are describing is most likely a case where it has not held and is leaking again triggering the Check Engine Light to come on. This happens when the the system detects that the tank is not properly pressurized. I would recommend taking the car back to the dealer to see if this may be covered under warranty and whether or not they will replace the tank with a new one. Alternatively, you could have an independent technician inspect the gas leak in person to scope out what should be done.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
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・Save up to 30%

Get a quote

What others are asking

Q: I'm debating on buying an Audi A4 today , the owner claims that it needs a vaccume tube but say it won't crank or start,

A vacuum tube is a rather mundane part, usually low in cost, and thus the quickest way to get an answer is to install the tube and see if the vehicle starts. If the battery is dead, simply re-charge the...

Q: USB adapter caused shock & gas smell in back seat

Hello. It sounds like you have a number of issues going on. The coolant leaking like this sounds like a failing head gasket. A block test would need to be done to see if it is failing. The shock is...

Q: Camshaft position sensor error code P0343

Hello. The P0343 code indicates there is no signal from the passenger side cam position sensor (Bank 1 actually). Given you have changed the sensor, this would suggest a wiring or connector issue. Your mileage would also make me anxious...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
What Causes Hoses to Leak?
While the largest part of your engine is mechanical, hydraulics plays a significant role. You’ll find fluids at work in a number of different areas. Your car's fluids include: Engine oil Transmission...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...