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check engine light

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Old Jan 20, 2015 | 03:19 PM
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Default check engine light
Hi,
Every time lately I get gas my check engine light goes on??? It goes off eventually, but would like to have an idea why this is happening??

I have a 1998 LS400 if this helps.

Thanks!!
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Old Jan 20, 2015 | 03:29 PM
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Loose or bad gas cap...
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Old Jan 20, 2015 | 03:34 PM
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I would read the code first. It's an important first step.
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Old Jan 20, 2015 | 03:45 PM
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try tightening your gas cap first and if that does not work get the code and post it.
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Old Jan 21, 2015 | 09:04 AM
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the code was saying car is running lean?
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Old Jan 21, 2015 | 10:29 AM
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get the codes read. even if it goes away, it's still stored in the memory, sometimes under a "pending" code.
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Old Jan 21, 2015 | 10:56 AM
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Originally Posted by LadyBoss13
the code was saying car is running lean?
What is the exact number of the code? Running lean is too broad.
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Old Jan 23, 2015 | 07:59 PM
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Originally Posted by sha4000
Running lean is too broad.
no pun intended op
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