Gas leaking from underneath car
How to Identify and Fix Common car Problems ?
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Plan of action: Don`t ignore it! You`ll have to stop driving your vehicle until the leak is fixed as fuel is higly flammable. Take your vehicle to a mechanic and they`ll get you back on the road in no time.
One sure way to know that you`ve got a gas leak is if you see black puddles underneath your car. If you do, then it means you`ve got a gas leak, and it needs to be fixed. This could be what will be causing the smell of gas in your car.
One of the most common issues your car may experience is an oil leak. If your car has been parked for a while and you notice a dark brown or yellow puddle underneath your car, it could be that the car is leaking oil.
Typically, if the gas line loses approximately 2 psi from a test of 20 psi on the line, the lines are acceptable. Conversely, if the line loses more than 10% of the pressure, it may have a leak. This can be true after a 30 minute or even a 24 hour test.
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There are a number of things that could make an engine noisy when starting up. Depending on the specific type of sound you are referring to, this will determine how to properly diagnose. If there is a bit of a hissing sound, this may be a sign of a vacuum leak. If this is more of a shrieking sound, this may be a sign of a worn out or out of adjustment serpentine belt. If there is a bit of a howling or growling sound, this may be a sign of a worn out or low on fluid power steering pump. A rattling or pinging sound may be caused by an ignition problem. An engine can ping (or knock) due to an improper combustion process. A "spark knock" is the result of combustion occurring too early. Early combustion can occur from carbon buildup inside the combustion chamber, a lean air/fuel mixture, and advanced ignition timing (spark plug firing too soon). A clattering type sound may be a result of improper lubrication in the valve train which could be a more serious problem and should be addressed as soon as possible. I would suggest having an expert from YourMechanic come to your location to diagnose and inspect your vehicle to ensure everything is in proper working order.