P25AB

Piston Cooling Oil Control Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–89 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Increased engine noise
Engine overheating
Unstable operation at high speeds

Causes

Open or short circuit in control circuit
Malfunction of the piston cooling solenoid valve
Wiring Harness Problems
Engine control unit malfunction
Dirty or clogged oil passages

How to Fix

Check the integrity of the control circuit
Check the operation of the solenoid valve
Inspect the wiring harness for damage
Check the condition of the oil channels
If necessary, replace faulty components

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