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2019 5.3 Suburban Rough idle at stop No Codes Run good though
I found your thread from a google search and am wondering if you figured this out? I have an 18' suburban with 5.3. Tried all the following below and the idle is NO better. Maybe a little worse at times after the Seafoam because it idles higher now. inspected air filter-not due for another...- mws0019
- Post #48
- Forum: Engine & Drivetrain
