Thread: 96 Lumina 3.1 rough idle ONLY WHEN WARM
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Old 02-29-2004, 01:43 AM   #2
Retardo
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Re: 96 Lumina 3.1 rough idle ONLY WHEN WARM
Check the EGR valve. When it starts to idle bad, get a hammer and tap the EGR a few times to see if it clears it up. My '90 had this problem, exactly like your saying, and the EGR was the cause.
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