Error code

OBD2 P2034

OBD2P2034
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Exhaust Gas Temperature Sensor Circuit.

Severity

moderateCan drive, but monitor for any changes in performance or warning lights.

Summary

P2034 indicates an issue with the exhaust gas temperature sensor circuit on bank 2 of your vehicle's engine.

Common Causes

  • Damaged, burnt, shorted, disconnected, or corroded wiring and/or connectors
  • Poor electrical connections
  • Defective exhaust gas temperature sensor
  • Unauthorized modifications to the exhaust system
  • Failed or failing PCM (rare)

Fixes

  • Repair or replace damaged wiring and connectors.
  • Replace the defective exhaust gas temperature sensor if necessary.

FAQ

What does P2034 mean?

P2034 indicates a malfunction in the circuit of the second exhaust gas temperature (EGT) sensor on bank 2.

Where is the EGT sensor located?

The EGT sensor is typically located downstream of the catalytic converter on bank 2 of your engine.

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.