I have a 600 CAT w/1.3 million, when I shift (usually in the high side) engine will flutter badly, no matter what rpm, this lasts for approximately 5-6 seconds then smooths out, but it's getting worse. Only does this under a heavy load and when it's hot out. When it's cooler at night it does it but not bad. I put new injectors at 1 million,kenworth run an injector test & found nothing wrong. Any suggestions?
600 CAT, engine flutter.
Discussion in 'Kenworth Forum' started by Ed Patrick, Aug 29, 2015.
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Check fuel pressure,fuel lines,tank vents.
Start with the simple stuff first.
When was the last time the fuel filter was changed?
Which model cat E-C15-accert? -
Yah I would check fuel filters I had to in the beginning of getting my truck change my fuel filters like every 2k miles I was using bad fuel . Didn't know it till a mechanic road with me and told me change fuel filters these cats love there clean fuel filters
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I change the fuel filters and the check valve in the filter housings, no difference. I do get fuel in the same places every week, so I'll switch up on that and check the filters. Thank you.
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It's a C15, non acert. Kenworth did a fuel pressure check, determined there was a bad fuel line and changed it. It done good for about a week (2500 miles), then started fluttering again. They ran another check and also an injector cut out test, come up with nothing.
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KB3MMX Thanks this.
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