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01 Blazer rough idle

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Old 08-15-2009, 01:17 PM
clittle's Avatar
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Default 01 Blazer rough idle
Any Ideas? I have a 01 Blazer ZR2, 140K runs good but idles up pretty high at start and rough at red lights/stop signs, usually after driving a while (engine pretty warm). changed IAC seemed to help for a few days and then back to the same rough idle. No SES lights. any suggestions?
 
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Old 08-16-2009, 01:19 AM
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have you done a full tune up yet?
 
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