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Rough Idle

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Old Jun 3, 2008 | 05:17 PM
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Default Rough Idle
1995 blazer 4.3L Has a rough idle Replaced cap,rotor, plugs, wires, cleaned egr valve
cleaned idle air control sensor,map sensor, cleaned throttle body and seafoamed it Truck excelerates fine but at idle it is rough any suggestions what else to check.
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Old Jun 3, 2008 | 06:11 PM
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Default RE: Rough Idle
look for a vacuum leak.
 
Old Jun 3, 2008 | 08:36 PM
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Default RE: Rough Idle
I also changed fuel filter, I looked aroundfor a vacuum leak but will check again,woulda bad injector possible cause this?
 
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