LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

slow and sometimes rough

Old Mar 30, 2004 | 09:53 PM
  #1  
Liquid Teal's Avatar
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From: Huntington,WV
slow and sometimes rough

IDLE.....

could this be the iac or the tps ?
Old Mar 30, 2004 | 10:48 PM
  #2  
bluezed28's Avatar
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From: Toronto, Ontario, Canada
Rough idle could be due to that, as well as oxygen sensors, bad wires, egr valve or bad fuel. Try those out. The O2 sensors are the most expensive and hard to test so try the others first.
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