AutoCodes – Acura – P1286 Acura

P1286 Acura Code - Engine Oil Pressure Sensor Stuck Low

Quick Answer

Two rocker arm oil control solenoids open and close according to the commands from the Powertrain Control Module (PCM), and oil pressure is applied to and then drawn from the Valve Pause System (VPS) to change valve timing and the operation of the valve. Common causes include Low engine oil level, Faulty Engine Oil Pressure (EOP) Sensor, Engine Oil Pressure Sensor harness is open or shorted. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P1286 Acura indicates Engine Oil Pressure Sensor Stuck Low.
Common causes: Common causes include Low engine oil level, Faulty Engine Oil Pressure (EOP) Sensor, Engine Oil Pressure Sensor harness is open or shorted.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 2,866

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Jul 28, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1286 Acura Description

Two rocker arm oil control solenoids open and close according to the commands from the Powertrain Control Module (PCM), and oil pressure is applied to and then drawn from the Valve Pause System (VPS) to change valve timing and the operation of the valve.
The PCM monitors the oil pressure of the switching mechanism using an Engine Oil Pressure (EOP) sensor and a rocker arm oil pressure switch downstream of the rocker arm oil control solenoid. The PCM compares the oil pressure based on the PCM command and the oil pressure condition of the EOP sensor and the rocker arm oil pressure switch to determine if the system is operating normally.

OBDII Code P1286 Acura - Engine Oil Pressure Sensor Stuck Low - AutoCodes.com — P1286 Acura Code - Engine Oil Pressure Sensor Stuck Low

What does this mean?

What are the Possible Causes of the DTC P1286 Acura?

Low engine oil level
Faulty Engine Oil Pressure (EOP) Sensor
Engine Oil Pressure Sensor harness is open or shorted
Engine Oil Pressure Sensor circuit poor electrical connection

How to Fix the DTC P1286 Acura?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1286 Acura code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.