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strange idel

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Old Oct 6, 2014 | 07:12 PM
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strange idel

So I just got my truck back a few days ago after a hard/no start issue I was having the shop replaces two injectors and some o rings. Now after driving for about 1.5 hours on the freeway then hitting stop and go traffic I start to get a rough idle happing. I have to drive from la to san Fran tomorrow for work and a little hesitant but an going to do it anyway. Gotta get to work. So any ideas on this issue?
 
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Old Oct 6, 2014 | 07:50 PM
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From: Spanaway
Crystal ball can't do it all.
You need gauges to give live data.

Sean
 
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Old Oct 6, 2014 | 09:11 PM
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Im buying one tomorrow now I am on my way home from my appointment I had and it's really all jerky and really strange idle. I'm doing 70 and it's starts to be kinda jerky and just weird
 
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Old Oct 6, 2014 | 10:11 PM
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I would not drive it anymore till you get some info
on what it's doing. If it dumping fuel you can burn
a piston and end up needing a short block.


Sean
 
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Old Oct 6, 2014 | 10:45 PM
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Disconnect the ICP sensor and see if she smooth's out, could be a number of things need to monitor ICPV , FICM, you can do a wiggle pinch test with the ICP connection at the grey clip, any oil out the back side of ICP ?
 
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Old Oct 7, 2014 | 12:22 AM
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This is where the problem seems to be the connection. I wiggle it and the idle gets rough and then smooths out. In order to start the truck, I have to wiggle the wires just to get it started. If I have it set in the "right way", the truck runs fine. What is this clip/harness called and how hard is it to replace?is this the icp?
 
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Old Oct 7, 2014 | 12:24 AM
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How do I check for oil out the back of the ICP?
 
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Old Oct 7, 2014 | 01:05 AM
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That's the ICP. You can run with it unplugged to
get home.

Just look at it and if you see any oil in the plug.
Then it's time for a new one.

If wiggling it makes it run and then not run right
I would say it time to do a pig tail repair at the least.


Sean
 
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Old Oct 7, 2014 | 08:46 AM
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I will be doing the pig tail repair this morning then off to san Fran. There was no oil on the connection.
 
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Old Oct 7, 2014 | 10:51 AM
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Originally Posted by cookingguy
This is where the problem seems to be the connection. I wiggle it and the idle gets rough and then smooths out. In order to start the truck, I have to wiggle the wires just to get it started. If I have it set in the "right way", the truck runs fine. What is this clip/harness called and how hard is it to replace?is this the icp?
To Install the Pig Tail your going to need a few things sharp utility knife, black electrical tape , long BBQ lighter, wire snips (dike's) you need to move the glo plug harness both connections the snaps might break it's ok just zip tie them back on , gently slice the Factory tape ( like skinning a Rabbit)carefully not to cut the other wires, expose the 3 ICP wires long enough to cut and crimp each one separate make sure the heat shrink is on before you splice crimp each wire , I crimped the new pigtail first then reached in to do each cut and crimp. do a wire pull test to make sure they are tight , melt the shrink wrap and tape it all back up.
 
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Old Oct 7, 2014 | 12:45 PM
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Originally Posted by 04badford
To Install the Pig Tail your going to need a few things sharp utility knife, black electrical tape , long BBQ lighter, wire snips (dike's) you need to move the glo plug harness both connections the snaps might break it's ok just zip tie them back on , gently slice the Factory tape ( like skinning a Rabbit)carefully not to cut the other wires, expose the 3 ICP wires long enough to cut and crimp each one separate make sure the heat shrink is on before you splice crimp each wire , I crimped the new pigtail first then reached in to do each cut and crimp. do a wire pull test to make sure they are tight , melt the shrink wrap and tape it all back up.
I did the pig tail repair just like you said which is how I would do a repair like this any ways. However still no love not even if I wiggle things around. I unhook the connector and the tuck fires right up. Do I need a new ICP as well?
 
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Old Oct 7, 2014 | 12:47 PM
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yes , what is ICP values? may want to look at IPR too
 
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Old Oct 7, 2014 | 12:50 PM
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you did one wire at a time ? most likely the ICP is done
 
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Old Oct 7, 2014 | 12:50 PM
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am I ok to drive the truck around to go buy a scan tool and parts with the icp disconnected?
 
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Old Oct 7, 2014 | 12:54 PM
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you can drive , but I wouldn't go to SF with it unplugged this is for test and defauld mode . to bad you don't have time Riff Raff diesel has OEM parts for less have you tried Auto Zone or Napa dealers prices if no Choice.
 
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