95.5-2004 Tacomas & 96-2002 4Runners 4th gen pickups and 3rd gen 4Runners

Way of MAKING the check engine light come on? Need to test it

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Old Feb 19, 2012 | 02:50 PM
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jmfranc's Avatar
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Way of MAKING the check engine light come on? Need to test it

With the problems I've been having lately I should have seen the check engine light but never did. Anyway of testing it to make sure that it will come on when it needs to?
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Old Feb 19, 2012 | 02:55 PM
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From: Columbia River Gorge, Oregon...east side
Go into USER CP and add your rigs specs to your signature line. It will help for answering questions.

Plug a code reader in....you may have a stored code.

Your fuse or bulb on the dash may be burned out if you don't see it come on for a second or two when you turn the key to start.

Oops.....I see James already cover this last item below.

Last edited by rworegon; Feb 19, 2012 at 03:14 PM.
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Old Feb 19, 2012 | 03:06 PM
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From: Down by the River
It should come on when you turn the key on with the engine off for the first few seconds.
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Old Feb 19, 2012 | 03:24 PM
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From: Wilkes-Barre, PA, USA
^^^^ THAT. No code reader needed. Each and every vehicle's CEL will come on with the turn of the key and engine not running.
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Old Feb 19, 2012 | 05:25 PM
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Yea. Good point. Duh!
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