Problem Reports

Infiniti QX4

Report: Loss of Power and/or Check Engine Light With Code P0171 and/or P0174

• Check Engine Light with Bank Codes
  The Check engine light comes on and when I had it checked, these are the codes that showed. Ban...

  Q&A > Infiniti > 2002 Infiniti QX4

• I have a 2001 Infiniti QX4 that has had some problems and multiple codes read...
  The main problem is lack of power and at one time it wold stall at a stop....Now it will not pa...

  Q&A > Infiniti > 2001 Infiniti QX4

• Check Engine Light With Code P0138, P0140, P0158, and/or P0160
  The Check Engine Light may illuminate with code P0138, P0140, P0158, and/or P0160 stored. Our t...

  Common Problems > Infiniti QX4

• low oil lamp came on, shut engine off, topped off oil and now wont start.
  low oil lamp came on, pulled over and added oil. now engine wont start, cranks ok. no dtc's pre...

  Q&A > Infiniti > 2002 Infiniti QX4

• Erratic Idle Speed and Increased Accelerator Pedal Effort
  Carbon deposits on the throttle body may cause any of the following issues: Idle speed fluctuat...

  Common Problems > Infiniti QX4