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Old 10-10-2013, 03:42 PM
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help needed with engine missing

About 2 weeks ago I cleaned the ebp tube and sensor. the tube was clogged solid. now I've been feeling it seem to miss slightly. slightly rough at idle and can feel it while cruising. in park and revving to motor it shakes bad like a bad miss. I pulled these codes

also watching the psi reading from the sensor at idle was about 15psi and while revving the motor about 18/19psi. the exhaust valve fault is from my ebpv being unglugged. the truck runs fine otherwise, no loss of power, and no smoke.



could it be a bad ebp sensor?







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Last edited by tony0713; 10-11-2013 at 04:10 AM.
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Old 10-10-2013, 04:09 PM
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Check the ips for oil.
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Old 10-10-2013, 04:33 PM
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IPS?


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Old 10-11-2013, 02:08 PM
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I checked all the vitals with the live feed on my scanner. everything looked fine, the EBP sensor was reading 15psi and not really changing so I unplugged it and cleared the codes but now it's at 43psi all the time, I'm assuming the sensor is shot. the icp sensor is a few months old (is the newer style) and looked good and dry, I unplugged it at idle and the truck stumbled then caught itself and got a CEL, so that sensor is good right?


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Last edited by tony0713; 10-11-2013 at 02:55 PM.
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Old 10-11-2013, 04:02 PM
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Quote:
Originally Posted by tony0713 View Post
IPS?


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Unplug the ICP and see how it runs. You would not be the first to get a bad ICP.
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Old 10-11-2013, 04:21 PM
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Quote:
Originally Posted by Arcturus View Post
Unplug the ICP and see how it runs. You would not be the first to get a bad ICP.
I unplugged it at idle and the truck stumbled then caught itself and got a CEL, guessing it went to default mode. having it unplugged made no difference with the issue.

so that sensor is good right?


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Old 10-11-2013, 04:43 PM
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Probably good then. Could be the sensor is no good. The guy that has the vid on youtube about cleaning the tube and sensor mentioned to be careful when cleaning the sensor. I used brake cleaner and a q-tip when I cleaned mine last. I mean it was on Youtube it has to be correct right? On the other hand I didn't have a problem when I reassembled everything. Did you clear out the exhaust manifold fitting too?
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Old 10-11-2013, 05:04 PM
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yea I cleaned it all pretty good. but I didn't go crazy on the sensor. could the sensor effect the motor in a way to simulate a miss?


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Old 10-12-2013, 02:25 PM
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a little update. I put a BB in the FPR and that seems to have fixed the miss feeling. I'll drive it a few days and report back. I also took the ebp sensor off and checked the scanner, was reading 5psi. screwed it back on the tube and is now reading correctly.


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Old 10-13-2013, 06:39 PM
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the BB mod didn't fix it. it seemed to at first. and it also made the truck smoke light blue/white a little on a cold start.


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Last edited by tony0713; 10-14-2013 at 03:27 AM.
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