5.9 Blackout
Cummins Black Bullet
- Joined
- Aug 22, 2010
- Messages
- 128
I have a slight miss that has come up on my truck. It can be heard in the exhaust, but the motor sounds completely fine as far as I can tell. The truck has 170k miles on it. I have checked for blow by and diesel in the oil and nothing. I did however notice that the miss goes away when the AC engages, but comes back once it disengages. Could this be an injector that is starting to stick? At the track about a month ago after a run, I let off the throttle and the RPMs hung at 1100RPM for about 10 seconds then came back down. Only thing I can think of is a sticking injector since the miss goes away once the AC kicks on, and put a load in the motor. Let me know what you guys think it may be
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