Q: I smell vapor in the car and the car is starting and cutting right off

asked by on

Started smelling vapor in the car, so I replaced the ac filter. Then I noticed that the evap hose connected to the engine cracked and the I replaced that. I am still smelling vapor in the car and now my car will crank(after holding for a few seconds) but then it will idle down and turn right off. I had a registered code of P-0449 evaporative emissions canister close valve. I'm curios if this will actually casue the car to not drive and what should I be looking to replace. I saw a video online that showed it being located in the rear under the gas tank.

My car has 280000 miles.
My car has an automatic transmission.

A code for the canister close valve will not cause the engine to not run. What would cause the engine to not run, and may be the cause of the fuel vapor smell in the car, would be a leaking/cracked fuel line, a flooded engine with a weak fuel pump, or a damaged wire harness and hose on the fuel pump. A scope of some type would be helpful to visually inspect for any of these possible causes. There should be an access panel under the rear seat cushion that can be removed and allow a visual inspection of the hoses and wiring on the fuel pump.

If none of these are the cause, then an inspection by a qualified technician is highly recommended due to the hazardous material of gasoline being involved. YourMechanic has several available technicians that can assist you with inspecting a smell in the car and provide an estimate and direction of repair.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. I smell vapor in the car and the car is starting and cutting right off

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

Get a quote

What others are asking

Q: Tire making grinding noise while in motion

Hello. It sounds like you have a bad wheel bearing. Worn wheel bearings usually make a rotational grinding or growling noise that is proportional to vehicle speed. Wheel bearings are very important since they allow the wheels to rotate and...

Q: Chemical..front seat.. smell after it sits overnight

If I am reading this right, it seems as though you are saying that you recently has a power steering fluid leak fixed, and now after the car sits overnight, there is a chemical smell while sitting in the front...

Q: Navigation screen went black

It sounds like two separate problems. Check your fuses for the radio and navigation. If it is the unit itself that is faulty, there are specialized places that will repair them, or you could replace it with a good used...

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...
P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the...
P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...