Problem Reports

Infiniti QX4

Report: Check Engine Light Due to Poor Exhaust Manifold Ground

• Check Engine Light Due to Failed Rear Oxygen Sensor
  The rear oxygen sensor may fail resulting in illumination of the Check Engine Light. Our techni...

  Common Problems > 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

• Evap System Fault Due to Debris From a Failed Charcoal Canister
  Failure of the EVAP System charcoal canister may allow charcoal debris to infiltrate the EVAP s...

  Common Problems > Infiniti QX4

• Catalytic Converter needs replacing after a year
  My 1999 Infinity went off into a ditch in 4 feet of water. Had insurance company repair it, aft...

  Q&A > Infiniti > 1999 Infiniti QX4

• Check Engine Light With Throttle Position Switch Fault Codes
  The Check Engine Light may illuminate with throttle position switch fault codes stored. Our technicians tell us a re...

  Common Problems > Infiniti QX4