Skip the auto shop - Our mechanics make house calls

Q: Car issues when pumping gas!

asked by on

Everytime I pump gas my car has a very hard time starting back up! I crank it up, it dies instantly... it does it about 3 or 4 times then it finally kinda starts but I have to push down on the gas pedal a little bit for it to fully start. Well last time it was worse, to the point where I did not think it was going to start at all but finally it did! So this time when I stopped to get gas I left the car on to see how it would do... It started revving up like crazy, as if someone was sitting there holding the gas pedal to the floor making it do it. Its the weekend so no mechanics are open near me and I'm driving myself crazy trying to find answers to the problem! Please let me know asap if you have ANY information on what my car could be doing!

My car has 75401 miles.
My car has an automatic transmission.

Hello and thank you for your question. The symptoms of your vehicle not starting after getting gas and reviving up while fueling up the fuel tank indicate a failed evaporative purge valve. The purge valve is designed to allow fuel vapors to get transferred from the charcoal canister to the engine to burn off. In the event that the purge valve fails, the valve is either open fully or shut completely. In your situation, it sounds like the purge valve is open completely causing the vapors to enter the engine and not fuel. I recommend replacing the evaporative purge valve. If you need any assistance in replacing the evaporative purge valve, a YourMechanic certified technician can come to your location to perform an inspection of your gas-revving issue and diagnose this for you.

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

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

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: My suv wont start it will just turn

This may be related to a faulty ignition module. The ignition module functions on two modes: the start mode and the run mode. During the start mode, the ECM allows full battery voltage to the ignition coils because the battery...

Q: Water pump leak

Hello. A very common concern and almost expected on earlier vehicles, the water pump is generally an easy fix. I will never recommend the use of a stop leak solution on any leak large or small. Leaks need to be...

Q: Does the starter require a shim on a 2009 ford fusion

Hello, thanks for writing in about your Ford Fusion. I have never seen Ford use any shims on their starters. Only GM vehicles use them that I know of. I would recommend having the starter drive and engine flywheel checked...

Related articles

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...
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...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.