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Old 04-27-2013, 07:53 AM
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It has been discussed.....

Alright, so I know this has been discussed many times, but I am having some trouble finding any posts with my particular symptoms. I have some readings for you guys to look at after I explain the problem. I have an Edge CTS on the truck so the readings were taken from there. If there are any other readings you need, or a better way to take the readings other than the CTS, please let me know with specific instructions or specific PID's on the CTS.

Two days ago after work, I start the truck up and it starts just fine. I let it warm up to about 120 then head down the road. I have no power. Turbo is boosting but it is gutless. I got home and let it sit over night. Got in yesterday morning and had the same issue. Started right up, but no power whatsoever. I checked the codes and had none. I tried standing on the throttle to see if something would happen. Truck sluggishly downshifted but again with no power. RPM's went to 3100 and held there so I let out of it. Checked the codes again and had a P2290 (ICP Voltage Too Low). So I shut the truck off and tried starting it up again (truck is at operating temps) and it just cranks. After about 10 long cranks (6-8 seconds) the truck fires. After the truck started, I cleared the codes again and tried driving it. Threw no codes until I hammered the throttle. It seems that I only get the code when on heavy throttle. Any ideas?

Readings I took were:
ICP Voltage:
KOEO 0.2V
Cold Cranking 2.3-2.5V
Idle Cold 1.3V
FICM Voltage is always between 48 and 49.5V

Truck is a 2004 with 120,xxx miles. Only mods are in the sig below. I returned the truck to stock settings also. Like I said, please let me know if you need more info, and specifically what info. Thanks for all your help.

Kevin
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Old 04-27-2013, 04:30 PM
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No one has anything to say????


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Old 04-27-2013, 05:16 PM
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what is your reading when you hit the pedal driving sounds like you have a high pressure oil leak. Is your Icp reading maintained while driving . Does your IPR increases and ICP lower that sort of stuff will tell if you have a leak.
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Old 04-27-2013, 06:09 PM
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Quote:
Originally Posted by tatertot View Post
what is your reading when you hit the pedal driving sounds like you have a high pressure oil leak. Is your Icp reading maintained while driving . Does your IPR increases and ICP lower that sort of stuff will tell if you have a leak.
I agree sounds like a high pressure oil leak. Definitely something to do with oil pressure or fuel pressure.


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Old 04-27-2013, 07:44 PM
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How do I test the IPR? I was watching the ICP while driving yesterday and it did go up when I hit the pedal. I want to say like 1.8V but I will have to confirm that tomorrow.


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Old 04-28-2013, 10:29 AM
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Alright. So I went for a drive just now. Truck started up just fine, like it does when it's cold. ICP Volts before start were 0.2V. While cranking went to ~2.4V. After it started and a cold idle, ~1.1 to 1.2V. Let it warm up and went for a drive monitoring the ICP Voltage via my CTS. The voltage would climb when I pushed on the accelerator to about 2.0 volts while holding steady at half throttle. When I pushed it to the floor the voltage would go up to about 2.6V and then drop off to around 1.1V and stay around there until I let out of the throttle. When I let out, it would go back up to 2.8 for a brief second and then drop back to around 1.1V as I let it idle back down. I took some shots of my CTS at cold idle and then at hot idle when I returned home. Hopefully this will get me some answers or at least a starting point from someone on here. Really hate having my truck down. Thanks everyone.



[URL=http://s1304.photobucket.com/user/kevinseipp/media/1657CCB9-07E1-4DE3-995F-A124D918A582-576-0000004DB15E9CD2_zpsbb6cc843.jpg.html][URL]

Last edited by strokevin; 04-28-2013 at 10:32 AM.
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Old 04-28-2013, 10:39 AM
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I just went back out and tried a hot start on the truck. It started, although it did take a little bit longer than normal (maybe 2 seconds cranking). I wanted to check the ICP Voltage at hot idle again. It is more like 0.9V rather than the 1.0V the picture shows or that I stated above. I also did a 4000 RPM runup and it didn't get choppy anywhere or lose ICP Voltage. The ICP V went up to about 2.4V and held steady while the ruck was at ~3800 RPM.
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Old 04-28-2013, 11:11 AM
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Read pressure instead of voltage.

I agree it sounds like a high pressure oil issue.
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Old 04-28-2013, 12:55 PM
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If your truck is not under load the ICP will not get very high. You need to compare the ICP for the IPR value commanded. More than likely the ICP low is coding because the IPR is commanded near closed, but the ICP is not reaching the target value. There is no doubt you have a HPO issue, but now you need to figure out if it is IPR, pump or seal related.
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Old 04-28-2013, 03:58 PM
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Quote:
Originally Posted by twoicebergs View Post
If your truck is not under load the ICP will not get very high. You need to compare the ICP for the IPR value commanded. More than likely the ICP low is coding because the IPR is commanded near closed, but the ICP is not reaching the target value. There is no doubt you have a HPO issue, but now you need to figure out if it is IPR, pump or seal related.
This is the kind of informaiton I was looking for. Thank you. I will report back with my findings. Any suggested starting point? Leak test?
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