what could be wrong when the check engine light is on?

Asked by Mar 24, 2013 at 01:28 PM about the 1998 Toyota RAV4 4 Door

Question type: Maintenance & Repair

What could be wrong when the check engine light comes on?

3 Answers

58,935

There are many reasons for your check engine light to be on. Have your computer scanned & post the trouble code(s) here so we can help. Many auto parts stores like Advance & Auto Zone will do it for free. HTH. -Jim

11 out of 11 people think this is helpful.
92,125

There are around 1,000 trouble codes. Any one of them can turn the light on. http://www.obd-codes.com/trouble_codes/

5 out of 5 people think this is helpful.
3,030

Long shot but make sure gas cap is snug.

7 out of 7 people think this is helpful.

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