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P0298 Powertrain

P0298 — Engine Oil Over Temperature

Engine oil temperature exceeded the safe maximum. Risk of oil breakdown and bearing damage.

General code reference. Confirm the definition and diagnostic procedure for your vehicle's year, model and engine. A stored code alone does not identify a failed part.

Affected components

  • Oil temp sensor
  • Oil cooler

Possible causes to check

These are possible checks, not a ranked diagnosis. Follow the vehicle manufacturer's test procedure before replacing parts.

  • Oil cooler failure or low oil level

Diagnostic notes

  • The malfunction indicator lamp may illuminate
  • Reduced-power or limp mode may occur

Sources

Check each reference's vehicle and model-year scope. General background links do not establish which fault is most likely on your vehicle.

Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.

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