S Sawmill7 New member Joined Jan 26, 2021 Messages 1 Reaction score 0 Points 1 Jan 26, 2021 #1 1994 gmc sonoma 2.2 5 speed..300,000 miles. Any ideas on rough idle for 5 minutes when 0 degrees and then runs fine all day. Replaced plugs..fuel filter. Checked ics and it is moving but only 1/4". Would appreciate any help or ideas. Thanks Bill
1994 gmc sonoma 2.2 5 speed..300,000 miles. Any ideas on rough idle for 5 minutes when 0 degrees and then runs fine all day. Replaced plugs..fuel filter. Checked ics and it is moving but only 1/4". Would appreciate any help or ideas. Thanks Bill