P2A45

Alternative Fuel Tank B Pressure Sensor Circuit Intermittent/Erratic

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

Symptoms

Unstable engine operation
Increased fuel consumption
Check Engine Light Illuminates
Reduced engine power
Problems starting the engine

Causes

Pressure sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Contact corrosion
Wiring Harness Problems

How to Fix

Check the integrity of the sensor circuit
Inspect connectors and contacts for corrosion
Test the pressure sensor
Replace sensor if necessary
Check wiring harness for damage

Related codes

P2A44 P2A46 P2A47