Q: Vehicle is running rough.

asked by on

I had an issue in my 00 xterra 3.3 it would act like it was running out of fuel but only after getting to operating temp. I changed everything I could think of. Plugs ...wires...cap...rotor..distributor..maf sensor...tps sensor....fuel filter...air filter...fuel pump...and fuel sending unit. Now it won't start at all. I traced everything back to the fuel,tank. Fuel pump is running but not sending fuel. I took it out placed it in a bucket of gas applied direct 12v and it pumps like crazy. But once it's back in the tank it spins but doesn't pump. What in the world,could cause this.

My car has 160000 miles.
My car has an automatic transmission.

If the vehicle starts to act up at operating temp, you may have an issue with the idle air control valve. These will typically get gummed up and some vehicles may have a hard time starting when cold or act up once warmed up. The fuel pressure at the fuel rail should be checked as well to make sure the pump is delivering the proper volume of fuel. consider hiring an experienced technician like one from YourMechanic who can come out for a closer look to offer a more personal diagnosis of you vehicles rough running concerns.

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. Vehicle is running rough.

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 do I manually release the trunk?

If a discharged battery is keeping the trunk from being able to open, you can manually open it. Just follow these steps: 1. Enter the trunk area through the main cabin. 2. Use a safe and suitable tool to remove...

Q: My car idles up but only drives a little

You could have the cause pinpointed in a loss of power diagnostic. The mechanic first has to determine if this is a transmission (mechanical or electrical control) issue or an engine related issue. If engine related, there are sensors that...

Q: Roaring or howling noise while driving my 2006 Chrysler town and country

Hello. Most of the time if you are getting a noise like this when the vehicle is moving, it is due to either a tire issue or a failing hub bearing. I always check the tire tread first. If it...

Related articles

How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
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.