OBD Guide

P148E

EVAP Purge Pump Voltage Sensor Low Voltage

P148E is an OBD-II diagnostic trouble code meaning: EVAP Purge Pump Voltage Sensor Low Voltage. Common causes: open or short circuit in the sensor circuit, faulty purge pump voltage sensor. 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 comes on
  • Increased fuel consumption
  • Problems starting the engine
  • Increased level of harmful emissions
  • Unstable engine idling

Causes

  • Open or short circuit in the sensor circuit
  • Faulty purge pump voltage sensor
  • Wiring Harness Problems
  • Malfunction of the purge pump itself
  • Poor contact in connectors

How to Fix

  1. Check the integrity of wiring and connectors
  2. Measure the voltage at the sensor
  3. Check sensor resistance
  4. If necessary, replace the sensor or purge pump
  5. Reset the error code and check the system

Related codes

FAQ

What does the P148E code mean?

P148E is an OBD-II diagnostic trouble code that indicates: EVAP Purge Pump Voltage Sensor Low Voltage

What causes a P148E error code?

The most common causes of P148E include: Open or short circuit in the sensor circuit; Faulty purge pump voltage sensor; Wiring Harness Problems; Malfunction of the purge pump itself.

How do I fix a P148E diagnostic trouble code?

To fix P148E: Check the integrity of wiring and connectors. Measure the voltage at the sensor. Check sensor resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P148E?

Yes, but get it checked soon

How much does it cost to fix P148E?

The estimated repair cost for P148E is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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