Q: Car hesitates, bank one and bank two too lean. 2001 Hyundai XG300.

asked by on

When I drive, the car sort of hesitates like it's not getting enough fuel. I've done several repairs on the car, including spark plugs, fuel filter and air filter replacement, along with the wires and coil connectors change. I went to get the code read and the error codes indicated that bank one and bank two are too lean. These codes keep appearing each time I test the car. What might cause this and what can I do to improve the performance of the car?

Hello there. This is a common issue with the 2001 Hyundai XG300. There are a few possible causes for the engine to hesitate. The most common are the spark plugs, vacuum leak, oxygen sensor, fuel pump, exhaust leak, fuel filter, or air filter. When bank 1 and 2 are lean, it means that the engine is either not getting enough fuel or air. All of the listed faults could contribute to the symptoms you are experiencing, but diagnosis is needed for an accurate answer. If you would like help with this, a qualified technician from YourMechanic can come to your car’s location to diagnose the hesitation problem and let you know what needs repair.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1,000 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. Car hesitates, bank one and bank two too lean. 2001 Hyundai XG300.

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: Q: No check engine light

Considering your symptoms, I would suspect that your issue lies within the fuel or ignition system. Without diagnostic equipment, it would be best to have your vehicle inspected by a technician who does. Although you have no Check Engine Light,...

Q: Ran car on wrong octane fuel

Your computer will attempt to compensate for the lower octane fuel. The fuel would not cause misfires but may cause pre detonation on high load situations. The problem may be okay after refilling the fuel tank a second time. If...

Q: Engine oil light with ticking sound

Hi There, Assuming you are referring to a ticking sound when trying to start the engine, this may be related to a weak battery or potentially a faulty starter solenoid. The starter solenoid is located on the starter and has...

Related articles

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...
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...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.