1999 Lexus Es Makes Check Engine Light Come On Hill

1999 LEXUS ES
100,000 MILES
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What makes check engine light come on when I go up hill?
Jan 9, 2013 at 4:16 AM
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MHPAUTOS
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Could be a number of things, but as the check light has been on, there will be a code, so go get a scan done and post the code here.
Jan 9, 2013 at 8:24 AM
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