Q: I have a 2003 Hummer H2 with 63,000 original miles.

asked by on

Hello, I have a 2003 Hummer H2 with 63,000 original miles. My H2 has been stalling on me while driving on 4 different occasions in the last couple of months. Once the H2 stalls, I crank the engine and it will not start. After waiting about 5, 10, 15, 20 minutes later the Hummer h2 starts with no problem. It feels like the H2 is starving for fuel. The starter and battery are in good working condition. Also my H2 is not giving any check engine codes. Any suggestions? Thanks Based on my research, I'm thinking that It might be fuel filter, fuel pump or cranking position sensor. Thanks FDR (619) 829-1319

My car has 63000 miles.
My car has an automatic transmission.

Fuel supply faults are a possible cause of stalling as are vacuum leaks and faults with engine sensors. On the Hummer it has been reported that faults with the throttle body commonly cause stalling and consequently that might be a good place to start the diagnostic. YourMechanic offers a stalling diagnostic. If you request that service a certified Mechanic, dispatched by YourMechanic right to your location, will get this problem resolved for you. If you have further questions or concerns, do not hesitate to re-contact YourMechanic as we are always here to help you.

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 have a 2003 Hummer H2 with 63,000 original miles.

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: 2003 Nissan Maxima front driver power seat is not moving forward or backwards. The seat still reclines and moves up and down.

Hi there. The motor or switch on the seat has lost power. First check the fuses and see if any of them are blown. If the fuses are good, then check the switch and see if there is power to...

Q: lost all oil pressure, replaced the oil pump, low oil sensor, oil pressure sensor, oil pan gasket,

The fuel pump will not stay on if you loose oil pressure. This is why it is shutting off. The loss of oil pressure may be from bad crankshaft bearings or camshaft bearings. The engine oil pan should be removed...

Q: whats the best way to clean the throttlebody?

Hello. The best way to clean the throttle is to remove it from the vehicle. Find a throttle body or MAF cleaning product of your choice and use the nozzle that comes with it. When taking the steps to remove...

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...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
What are the Car Pool Rules in Hawaii?
Hawaii is widely regarded as a land of vacation and relaxation, and as such, its scenic roads and routes are far better known than the state’s freeways. But, as with all...