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10-21-2012, 08:13 PM
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Registered User
Join Date: Mar 2011
Location: MA
Posts: 353
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idles high when first started
I have a 97 GMC with a 5.7 I believe. Everytime I start it it idles way up then comes down. Revs up to about 1700-1800 RPM for a few seconds then comes down and everything is fine. This happens everytime it is started warm or cold. Any thoughts? Thanks, Brian
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