Fuel additives added accidentally to the engine oil

2002 JEEP GRAND CHEROKEE
235,000 MILES • 4.0L • 6 CYL • 4WD • AUTOMATIC
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ALLEN MCDONALD
  • MEMBER
  • 1 POST
My wife accidentally bought the wrong bottle of Lucas oil and I added it to my engine oil while changing the oil before realizing it was actually fuel treatment. Is this going to cause problems?
Jan 2, 2020 at 9:42 PM
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SCGRANTURISMO
  • ✓Experienced Mechanic
  • 4,897 POSTS
Hello,

Possibly. If it were my vehicle I would drain the oil and put fresh oil in. The thin film of oil that lubricates the rotating parts of your engine's rotating assembly is the only thing that keeps it from blowing up. Anything that will take away from the oil's viscosity, should not be added to the oil. Please get back to us with what you decide to do.

Thanks,
Alex
2CarPros
Jan 3, 2020 at 3:25 AM
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