How do you reset the check engine light on a 1991 mercedes Benz 560 Sel
I'm not sure but you may need to check the engine.
Yes, may read service engine soon, check engine, .....
i would check the freeze plugs on both sides of the side of the engine block.
If the check engine light is on for your 1991 Toyota Cressida, that makes that some repairs need to be made to the engine. Taking the car to a certified mechanic to perform a diagnostic test can confirm if there is any issues with the engine.
You check engine light is signaling to you that there is something wrong with you car. You should have your car looked at by a professional.
Have vehicle scanned to determine the problem
Check Auto Zone or Advance Auto, the codes are online.
Not Enough
305
Disconnect the battery + Positive cable for 15 minutes. The computer will reset. Of course if you don't fix the problem that caused the check engine light to come on in the first place it will just come back on.
Disconnect the battery for about 1 min.