7.3 idle rough and wont go! - Ford Powerstroke Diesel Forum
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post #1 of 5 Old 01-13-2009, 02:31 PM Thread Starter
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7.3 idle rough and wont go!

I have an 01 7.3 and when i drove it after a short warm up it accelerated onto the street and then loss all power and idles rough now. I cant drive it cause there is no power. The truck idles like it was a V6 missing 4 plugs. The boots are good on all parts of the turbo and i didnt notice any water in the fuel. I thought maybe the HPOP? Is there any way to check it. When it started chugging it threw a service engine soon light but when i tried to pull the code there were none.

Help please,
Mark
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post #2 of 5 Old 01-13-2009, 02:40 PM
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Its possible that the IDM is bad, but it should have set a code.I replaced one in a friend of mines but his had a code but I cant remember the code. Might check your oil level, if its low it wont let it run right.

99 F350 4x4 dually
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4"lift &35" tires
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post #3 of 5 Old 01-13-2009, 02:47 PM
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Check your under valve cover harness' or possibly the ICP sensor.

Diesel Dan

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post #4 of 5 Old 01-14-2009, 12:34 PM
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I had the very same problem with my 1999 F-250. The IDM was bad and the fuel pump was bad. All at the same time. Hope this helps.
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post #5 of 5 Old 01-14-2009, 12:42 PM
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if the check engine light came on it has to have a code , get a different scanner , i would bet on under valve cover harness loose

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