| Rough idle |
| 04-03-2017, (Subject: Rough idle ) Post: #1 | |||
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| Rough idle I have a 2001 ISX (pre EGR) that has a rough idle almost sounds like a miss. It had a miss for a long time when cold until blowby got really bad then last fall I did a complete inframe rebuild. Found several broken rings. Head was rebuilt, Injectors were tested and adjusted, upgraded to one piece pistons. Seamed good to start then the chuff came back(miss) plus surging while driven, replaced high pressure fuel pump and surge and chuff went away. But that only lasted about a month and now its back with a vengeance, seems to be worse. I don't have any way to hook up to ecm( cummins softwear). Tried swapping actuator positions no difference. Almost seems like a bad hole or injector. I tested injectors and no problem found. I reset all injectors and valves no difference. But the big problem is no bad blowby and clean exhaust (no smoke). HELP!! Kevin | |||
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Rough idle - 69fordge - 04-03-2017 RE: Rough idle - gearhead - 04-03-2017, RE: Rough idle - 69fordge - 04-03-2017, RE: Rough idle - 69fordge - 04-03-2017, RE: Rough idle - Rawze - 04-03-2017, RE: Rough idle - Signature620 - 04-04-2017, RE: Rough idle - gearhead - 04-04-2017, |
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