OBD Guide

P1044

Implausible Data From Cylinder 4 Oil Supply Solenoid Valve Received

P1044 is an OBD-II diagnostic trouble code meaning: Implausible Data From Cylinder 4 Oil Supply Solenoid Valve Received. Common causes: cylinder 4 oil supply solenoid valve malfunction, open or short circuit in valve control circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Uneven engine operation
  • Power reduction
  • Increased fuel consumption
  • Check Engine Light Is On
  • Dips during acceleration

Causes

  • Cylinder 4 oil supply solenoid valve malfunction
  • Open or short circuit in valve control circuit
  • Poor contact in valve connector
  • Dirty or clogged oil passages
  • ECU software error

How to Fix

  1. Check the condition of the solenoid valve of cylinder 4
  2. Check the integrity of the valve control and power circuit
  3. Clean valve connector contacts
  4. Check oil pressure and condition of oil filter
  5. If necessary, replace the faulty valve

Related codes

FAQ

What does the P1044 code mean?

P1044 is an OBD-II diagnostic trouble code that indicates: Implausible Data From Cylinder 4 Oil Supply Solenoid Valve Received

What causes a P1044 error code?

The most common causes of P1044 include: Cylinder 4 oil supply solenoid valve malfunction; Open or short circuit in valve control circuit; Poor contact in valve connector; Dirty or clogged oil passages.

How do I fix a P1044 diagnostic trouble code?

To fix P1044: Check the condition of the solenoid valve of cylinder 4. Check the integrity of the valve control and power circuit. Clean valve connector contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1044?

Limited driving only, diagnose soon

How much does it cost to fix P1044?

The estimated repair cost for P1044 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat