Question about 2001 Toyota Sienna

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Check engine light came on week ago. changed battery today and now check engine light not on. Will check engine light come on later?

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The check engine light may come on later. When the check engine light comes on the computer in your car logs a code. This trouble code may or may not cause drivability issues. The computer in your car always tries to fix the problem. If the check engine light is not on, there is not a problem. It may come on later if it detects another problem. Changing the battery could have fixed some problems. The ground system on the cars cause a lot of problems for technitians. If the trouble light is not on, don't look to spend a lot of money to look for problems that the computer is not picking up.

Posted on Dec 29, 2010

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Posted on Jan 02, 2017

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