check engine light high rpms/ mph
10-06-2007, 06:22 PM
3rd Gear Member
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check engine light high rpms/ mph
is there a general reason why the check engine light would come on at high rpmand then go off as the rpms fall?
10-06-2007, 06:54 PM
5th Gear Member
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RE: check engine light high rpms/ mph
yeah, the ecm has something to tell you.
10-06-2007, 06:58 PM
The Rogue Mod
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RE: check engine light high rpms/ mph
Mine does that only when I race. Mine sets a mass air code. Never affected how it runs, so I never cared about it.
10-06-2007, 06:59 PM
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RE: check engine light high rpms/ mph
Quote:
ORIGINAL: PRO50SC
Mine does that only when I race. Mine sets a mass air code. Never affected how it runs, so I never cared about it.
spoken like a true tech.
my plumber ****s in the woods, too.
10-06-2007, 07:04 PM
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RE: check engine light high rpms/ mph
LOL i did run codes but it just says 11 systom ok for both so im clueless
10-06-2007, 07:05 PM
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RE: check engine light high rpms/ mph
my 95 does the same thing. reads ok.
it does now effect the way it runs though.
10-06-2007, 08:38 PM
5th Gear Member
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Location: Ohio USA
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RE: check engine light high rpms/ mph
I just called one of our techs, he said usually it meens you hit the rev limiter or close to it.
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