OBD Guide

P1059

MAP Sens Out Of Limits

P1059 is an OBD-II diagnostic trouble code meaning: MAP Sens Out Of Limits. Common causes: map 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

  • Unstable engine idling
  • Dips during acceleration
  • Increased fuel consumption
  • Check Engine Light Illuminates
  • Reduced engine power

Causes

  • MAP sensor malfunction
  • Open or short circuit in the sensor circuit
  • Sensor vacuum hose is dirty or damaged
  • Intake manifold problems (vacuum leaks)
  • ECU malfunction (rare)

How to Fix

  1. Check the integrity of the MAP sensor vacuum hose
  2. Check the condition of the sensor electrical circuit
  3. Clean sensor connector contacts
  4. Check the sensor readings using a diagnostic scanner
  5. Replace MAP sensor if necessary

Related codes

FAQ

What does the P1059 code mean?

P1059 is an OBD-II diagnostic trouble code that indicates: MAP Sens Out Of Limits

What causes a P1059 error code?

The most common causes of P1059 include: MAP sensor malfunction; Open or short circuit in the sensor circuit; Sensor vacuum hose is dirty or damaged; Intake manifold problems (vacuum leaks).

How do I fix a P1059 diagnostic trouble code?

To fix P1059: Check the integrity of the MAP sensor vacuum hose. Check the condition of the sensor electrical circuit. Clean sensor connector contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1059?

Yes, but get it checked soon

How much does it cost to fix P1059?

The estimated repair cost for P1059 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat