OBD Guide

P1592

Barometric Pressure Sensor/Manifold Absolute Pressure Sensor Implausible Ratio

P1592 is an OBD-II diagnostic trouble code meaning: Barometric Pressure Sensor/Manifold Absolute Pressure Sensor Implausible Ratio. Common causes: atmospheric pressure sensor (baro) malfunction, absolute pressure (map) sensor malfunction. Estimated repair cost: $17–56.

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

Symptoms

  • Unstable engine idling
  • Reduced engine power
  • Increased fuel consumption
  • Difficulty starting the engine
  • Check Engine Light Is On

Causes

  • Atmospheric pressure sensor (BARO) malfunction
  • Absolute pressure (MAP) sensor malfunction
  • Problems with sensor wiring or connectors
  • Vacuum leaks in the intake manifold
  • Engine control unit malfunction

How to Fix

  1. Check the readings of the BARO and MAP sensors using a diagnostic scanner
  2. Inspect the wiring and sensor connectors for damage
  3. Check the intake manifold for leaks
  4. If necessary, replace the faulty sensor
  5. Clear error codes and check if error is returned

Related codes

Error P1592 by Vehicle Brand

FAQ

What does the P1592 code mean?

P1592 is an OBD-II diagnostic trouble code that indicates: Barometric Pressure Sensor/Manifold Absolute Pressure Sensor Implausible Ratio

What causes a P1592 error code?

The most common causes of P1592 include: Atmospheric pressure sensor (BARO) malfunction; Absolute pressure (MAP) sensor malfunction; Problems with sensor wiring or connectors; Vacuum leaks in the intake manifold.

How do I fix a P1592 diagnostic trouble code?

To fix P1592: Check the readings of the BARO and MAP sensors using a diagnostic scanner. Inspect the wiring and sensor connectors for damage. Check the intake manifold for leaks. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1592?

Yes, but get it checked soon

How much does it cost to fix P1592?

The estimated repair cost for P1592 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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