P253F

Engine Oil Deteriorated

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Increased fuel consumption
Unusual engine noises
Change in oil color or odor

Causes

Exceeding the oil change interval
Using low-quality oil
Fuel getting into the oil
Engine overheating
Oil contamination by wear products

How to Fix

Check the oil level and condition
Change engine oil and filter
Use oil of the type recommended by the manufacturer
Reset the error using a scanner
Check the engine cooling system

Related codes

P0520 P0521 P0522