Petrol smell

Tiny
MOLEFE
  • MEMBER
  • 2005 OPEL CORSA
  • 1.4L
  • 4 CYL
  • 2WD
  • MANUAL
  • 250 MILES
Why does it smell petrol in the car?
Sunday, June 24th, 2018 AT 9:22 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Hi and thanks for using 2CarPros.com.

If you smell fuel, there is a leak. If the smell seems to be coming through the vents, chances are it is under the hood. After driving the car, turn the engine off and wait a couple seconds and check under the vehicle for evidence of a fuel leak. If you find nothing, open the hood to see if there is a strong smell there. It could be several things. Inspect the fuel lines under the hood as well as under the car. Additionally, check fuel injectors for indications of a leak.

Please note, any fuel leak is dangerous and should be identified and repaired ASAP.

If you can not see any leaks, I recommend checking fuel pump pressure drop off. Basically, when the key is turned to the off position, the system should maintain pressure for a period of time. If it does not, either you have a faulty fuel pump, leaking injector, bad fuel pressure regulator, or a leak. Here are directions for checking fuel pump pressure, regulator, and the drop off. Let me know what you find:

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

Take care and I will watch for your reply.

Joe
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Monday, June 25th, 2018 AT 7:46 PM

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