OBD Guide

P2B7B

EVAP System Pressure Sensor/Switch C Circuit Range/Performance

P2B7B is an OBD-II diagnostic trouble code meaning: EVAP System Pressure Sensor/Switch C Circuit Range/Performance. Common causes: evap pressure sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

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

Symptoms

  • Check Engine Light Is On
  • Increased fuel consumption
  • Smell of gasoline in the cabin
  • Unstable engine idling

Causes

  • EVAP pressure sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • EVAP system leak

How to Fix

  1. Check the integrity of the wiring to the sensor
  2. Check connections and connector contacts
  3. Test EVAP pressure sensor
  4. Replace sensor if necessary
  5. Check the EVAP system for leaks

Related codes

Error P2B7B by Vehicle Brand

FAQ

What does the P2B7B code mean?

P2B7B is an OBD-II diagnostic trouble code that indicates: EVAP System Pressure Sensor/Switch C Circuit Range/Performance

What causes a P2B7B error code?

The most common causes of P2B7B include: EVAP pressure sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; EVAP system leak.

How do I fix a P2B7B diagnostic trouble code?

To fix P2B7B: Check the integrity of the wiring to the sensor. Check connections and connector contacts. Test EVAP pressure sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2B7B?

Yes, but get it checked soon

How much does it cost to fix P2B7B?

The estimated repair cost for P2B7B is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat