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TruckersReport.com Trucking Forum | #1 CDL Truck Driver Message Board
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ISX flutters at idle
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<p>[QUOTE="Markvfl, post: 3938100, member: 12273"]My 2009 ISX CM871 has fluttered at idle since I bought it a year ago. It does this no matter which of several tunes is in it. It also builds boost slowly up to max, then drops 7 or 8 pounds and holds there. Also - it gets really decent fuel mileage when loaded up to 60,000 - 65000 gross above that fuel mileage plummets. Any ideas what's going on here?[/QUOTE]</p><p><br /></p>
[QUOTE="Markvfl, post: 3938100, member: 12273"]My 2009 ISX CM871 has fluttered at idle since I bought it a year ago. It does this no matter which of several tunes is in it. It also builds boost slowly up to max, then drops 7 or 8 pounds and holds there. Also - it gets really decent fuel mileage when loaded up to 60,000 - 65000 gross above that fuel mileage plummets. Any ideas what's going on here?[/QUOTE]
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TruckersReport.com Trucking Forum | #1 CDL Truck Driver Message Board
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ISX flutters at idle
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