P2B7E

EVAP System Pressure Sensor/Switch C Circuit Intermittent

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Check Engine Light Is On
Intermittent problems starting the engine
Unstable engine idling
The smell of gasoline in or around the car
Increased fuel consumption

Causes

Damage to the sensor wiring harness
Oxidation of contacts in connectors
EVAP pressure sensor malfunction
Poor circuit grounding
Problems with the engine control unit

How to Fix

Check the integrity of the sensor wiring harness
Clean contacts in connectors
Check sensor resistance and reference voltage
Replace EVAP pressure sensor if necessary
Check connections to the control unit

Related codes

P2B7D P2B7F P0452