Back to 2002 Infiniti QX4

2002 INFINITI QX4

3.3L V6RWDAUTOMATICgas
6 active safety recalls on this vehicle — view recalls
Repairs0Labor498Torque3650Fluid7DTC705Battery0Maintenance0Recalls6
P0236moderate severityPowertrain

Turbocharger/Supercharger Boost Sensor A Range/Performance

on 2002 Infiniti QX4 3.3L V6 · RWD

What this code means

The boost pressure sensor A reading is out of expected range.

Symptoms

  • Check Engine Light
  • Incorrect boost levels
  • Poor performance

Common causes

  • Sensor fault
  • Boost leak
  • Blocked sensor port

Diagnostic steps

  1. Compare sensor to actual boost
  2. Check for boost leaks
  3. Clean sensor port

Repair notes

Replace sensor or repair boost leak.

Other Powertrain codes on this vehicle

Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →