P2A55

Alternative Fuel Vaporizer B Outlet Temperature Sensor Circuit

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Unstable engine operation
Increased fuel consumption
Engine transition to emergency mode
Check Engine Light Illuminates
Problems when switching to alternative fuels

Causes

Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Malfunction of the temperature sensor itself
Wiring harness damage
Problems with the engine control unit

How to Fix

Check the integrity of the wiring to the sensor
Clean sensor connector contacts
Check the sensor resistance (compare with the nominal value)
Replace temperature sensor if necessary
Check the operation of the engine control unit

Related codes

P2A54 P2A56 P2A57