OBD Guide

P2A52

Alternative Fuel Vaporizer A Outlet Temperature Sensor Circuit Low

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine light comes on
  • Increased fuel consumption
  • Problems starting the engine
  • Reduced engine power
  • Unstable engine operation at idle

Causes

  • Evaporator temperature sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Wiring harness damage
  • Problems with the engine control unit

How to Fix

  1. Check the integrity of the sensor circuit
  2. Check sensor connections and connectors
  3. Test the temperature sensor with a multimeter
  4. Replace temperature sensor if necessary
  5. Reset the error code and check the system

Related codes

Error P2A52 by Vehicle Brand