Skip the auto shop - Our mechanics make house calls

Q: At a half tank of gas my truck will start to studder and then shut off with no warning.

asked by on

My ruck runs great until it reaches a half tank and then it'll start to studder when i try to give it gas and then it'll be fine then out of no where it'll just shut off. But then it starts right up when i turn the key off then back on.

My car has 200500 miles.
My car has an automatic transmission.

This occurring at a half a tank or below, leads me to believe that the fuel pump and/or fuel pump pick up tube in the fuel tank is the culprit. If the pick up tube is cracked or broken, once the fuel level drops below the break/crack, then the pump can momentarily suck air, so to speak. This can be more apparent when making turns as the fuel will slosh around the tank. Air at the injectors will stall the vehicle or course. The pick up tube may be replaceable separately. However since the fuel pump has to be removed either way to replace the pick up, if the fuel pump is original and it were my vehicle, I would just go ahead and replace the pump while it was at it. The additional cost would out weigh the repeat labor should the fuel pump fail in the near future.

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
  1. Home
  2. Questions
  3. At a half tank of gas my truck will start to studder and then shut off with no warning.

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: How much to install rods and pistons

Hi Kent. Thanks for contacting us today. Unfortunately, internal engine rebuild service is not one our mobile mechanics offer. Installing new pistons, rings, connecting rods and others requires machining the engine block first, which is something that should be done...

Q: Windshield wipers only go one speed

The wiper high low relay, or fuse may be bad. I recommend having a mechanic, such as one from YourMechanic, inspect your windshield wipers, in order to identify and quote the repairs needed.

Q: How long can I ride on bad struts

Hello, thank you for writing in. The time you have will completely depend on how bad the struts are now, and how much stress you want to put onto the rest of the vehicle. Worn struts will cause stress to...

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...
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...