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I have a 05 which surges upon light to moderate acceleration. It has a new IPR and a fairly new turbo. The turbo had been replaced before I bought the truck, but looks very clean and it has a reman sticker on it. The only code I have is for a cyl 6 balance/contribution which I am pretty sure sets after a cold start. It misses for the 1st 20 seconds and comes out of it and runs great. I can build 25 -26 psi of boost wot up a hill. At idle I can hear the vanes sweep through my exhaust. I have also found that if I unplug the EBP sensor that the surging goes away. I have cleaned the EBP sensor and tube, EGR valve, IAT2 sensor and the Map hose and nipple. When it is surging I can see the EBP spike from 18 to 22 PSI. Does this indicate a bad EBP sensor?
If you disconnected and Surge went away I would say yes it's the sensor, have you tried tapping on the sensor while watching the gauge that will be another indication.
I have a 05 which surges upon light to moderate acceleration. It has a new IPR and a fairly new turbo. The turbo had been replaced before I bought the truck, but looks very clean and it has a reman sticker on it. The only code I have is for a cyl 6 balance/contribution which I am pretty sure sets after a cold start. It misses for the 1st 20 seconds and comes out of it and runs great. I can build 25 -26 psi of boost wot up a hill. At idle I can hear the vanes sweep through my exhaust. I have also found that if I unplug the EBP sensor that the surging goes away. I have cleaned the EBP sensor and tube, EGR valve, IAT2 sensor and the Map hose and nipple. When it is surging I can see the EBP spike from 18 to 22 PSI. Does this indicate a bad EBP sensor?
Yes it does indacate a bad sensor, but its not the ebp thats the bad sensor.
Sorry I was tied up putting an injection pump on a Cummins 6bt for our airports fuel truck. I will check the koeo icp numbers and all of the ebp sensor numbers in the am.
Sorry I was tied up putting an injection pump on a Cummins 6bt for our airports fuel truck. I will check the koeo icp numbers and all of the ebp sensor numbers in the am.
Sent from my leash using IB AutoGroup
If you ask Monty he would tell you that Cummins never need any work done to them...
If you ask Monty he would tell you that Cummins never need any work done to them...
Sent from my Telegraph using IB AutoGroup
The guy was starting it with ether, when It started taking a whole can to get it going he thought it was time to get it looked at. It was a real pain because there was a engine driven air/hydro pump right under the pump which had to come off to get the bottom bolt out. I would rather do a hpop in a 6.0 before doing another one of those again.
07-11-2014, 10:01 PM
which is the most likely culprit?
