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post #1 of 15 Old 11-05-2007, 03:10 PM Thread Starter
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ok fella's trucks in the shop to get the plow removed,glow plug issue fixed.bad relay wire. and i told him to take it for a run because it idles funky at times and he did and it did it. So he does a few scans and gets IDM to ER code. Then they did a buzz test and it passes a buzz test any ideers?

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post #2 of 15 Old 11-05-2007, 03:58 PM Thread Starter
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bumpity bump bump

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post #3 of 15 Old 11-05-2007, 04:02 PM
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id like to know the code number , it may not be your problem , most of the time idling concersn are more ipr or icp related

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post #4 of 15 Old 11-05-2007, 04:28 PM Thread Starter
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i didn't get that. from him

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post #5 of 15 Old 11-05-2007, 04:29 PM Thread Starter
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but why would it show that it is bad? IPR= Injector Pump Relay and ICP= Inect Contol pump right

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post #6 of 15 Old 11-05-2007, 04:42 PM
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Originally Posted by GoosedF350 View Post
but why would it show that it is bad? IPR= Injector Pump Relay and ICP= Inect Contol pump right
that doesnt mean its bad , thats why id like to know the code

injector pressure regulator = ipr

injector control pressure sensor =icp

if the engine is running ok and just has an idle issue i doubt very seriously that the idm is bad

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post #7 of 15 Old 11-05-2007, 04:44 PM Thread Starter
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if i get on it and let out it runs rough

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post #8 of 15 Old 11-05-2007, 04:46 PM
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if i get on it and let out it runs rough
i would guess more of a fuel pressure issue , ipr o-rings , icp sensor , really needs correct diagnosis run

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post #9 of 15 Old 11-05-2007, 04:47 PM Thread Starter
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he just got into it when i talked he had just did the buzz testand the code today

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post #10 of 15 Old 11-05-2007, 04:54 PM
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Originally Posted by GoosedF350 View Post
he just got into it when i talked he had just did the buzz testand the code today
the main thing im saying is just because it has a code for a certain part doesnt mean that part is bad ,we see it all the time , you might have a map sensor code for low boost , doesnt mean the map sensor bad , there is usually another problem, if that makes since , if the engine is running ok other than when you let off ,and buzz test passed , its very possibly not the idm, if you can get the code id like to know what that was , if he has a scanner that will read data id like to know what the ipr percentage is at idle , and what fuel pressure is

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