Rough idle with Torque App readings
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Junior User
Joined: Jan 2007
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Rough idle with Torque App readings
I'm experiencing a rough idle with longer than normal crank times. I was hoping these numbers would help diagnose the problem. I have a P2285 dtc which is ICP. I replaced the ICP sensor a few years ago.
I got the torque app and have the following readings:
HPOP/ICP-908
VBATT-14.2
IPR-32
FICM/FMP-44.5-45 at start up 46-47 after a few minutes
MAP-15.12
INJECTION PRESSURE REGULATOR DUTY CYCLE-32.86%
Any ideas?
I got the torque app and have the following readings:
HPOP/ICP-908
VBATT-14.2
IPR-32
FICM/FMP-44.5-45 at start up 46-47 after a few minutes
MAP-15.12
INJECTION PRESSURE REGULATOR DUTY CYCLE-32.86%
Any ideas?
Hotshot
Joined: Dec 2003
Posts: 15,368
Likes: 121
From: Stuttgart, Ar
ICP sensor and computer using a default value. Just because you replaced it before doesn't mean it hasn't failed again. Where is your ICP sensor located?
FICM voltage is a touch low but you may need to have a charging system diagnostic run, including separate load test of your batteries.
FICM voltage is a touch low but you may need to have a charging system diagnostic run, including separate load test of your batteries.
Thread Starter
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Junior User
Joined: Jan 2007
Posts: 99
Likes: 0
ICP sensor and computer using a default value. Just because you replaced it before doesn't mean it hasn't failed again. Where is your ICP sensor located?
FICM voltage is a touch low but you may need to have a charging system diagnostic run, including separate load test of your batteries.
FICM voltage is a touch low but you may need to have a charging system diagnostic run, including separate load test of your batteries.
It should be noted that the truck runs the same with icp connected or not.
Hotshot
Joined: Dec 2003
Posts: 15,368
Likes: 121
From: Stuttgart, Ar
You should also check the pigtail for oil contamination and replace it as necessary.
Logistics Pro
Joined: Dec 2004
Posts: 4,138
Likes: 7
From: South Weber, Utah
To add to what Tim said, are you using an OEM oil filter with the OEM oil filter cap? Make sure when you load test the batteries they are completely disconnected from one another. I would also have the FICM taken care of as the FICM voltage should never drop below 45 under any circumstances, the best place to get it tuned up is FICM Repair.com - Your Source for FICM Repair . Here is a video showing the difference between aftermarket and OEM filters,
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Junior User
Joined: Jan 2007
Posts: 99
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Yes I'm using oem filters. Have been since day 1.
Do I need to replace the ICP sensor, yes or no?
Do I need to replace the ICP sensor, yes or no?
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Lead Driver
Joined: Sep 2012
Posts: 7,830
Likes: 96
From: Manteca,Ca
I think it's more of a FICM Issue 44 at start is no good ,you really should check your Alternator on a full load too IE= ac fan on, radio, lights ETC you don't want anything 13.3 or under, this will kill the Batteries , Batteries at KOEO-12.6 low-13.3 high -14.0 anything lower will damage the FICM, Ficm MP koeo- 47 low- 47.5 high- 47.5/49.0
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