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Q: We wish to purchase a Previa. Check oil light is on, oil has been changed.Does t on 1991 Toyota Previa

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
need reset or is this sign of another problem?
No car image 94a1663db56199c5353592009e34aaa51078a2469bed068bb8d6f0ba43accf97
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Could be that it just needs reset. Codes remain until reset. Also it could be a bad or failing oil pressure switch which is like a $10 dollar part. As long as you don't see oil dripping out the issue may not be serious but the vechicle is 21 years old.
Thank you. I know the vehicle is old, however, we are just not in the position to purchase any vehicle that cost much, as we are in failing health and the only income that we have is not much because we live on disability.The vehicle seems good otherwise and is perfect for our mobility issues. We just cannot afford to make a huge mistake, but we do need transportation, and of course there is a risk involved with any vehicle of that age. It has a good reputation for being a good high mileage vehicle and we cannot afford much else. It does not look as if it has been abused and seems to be in good shape otherwise. Thank you for your help.
well, the one light for oil comes on every 3k miles. Using a long chop stick poke through the hole in the clear plastic cover over the dash area and press the little button in there to reset the 'change oil' light.

If the 'oil level' light is on see this link:

also notice the overflow oil container under the hood and fill it if necessary.
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