Wierd black leak?? - Ford Powerstroke Diesel Forum
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Old 07-30-2012, 05:44 PM
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Wierd black leak??

So, Ive noticed small black drips in my driveway over the last few days. Almost like black water dried up. Its not like an oil leak. It leaves dry, flat black dots on the driveway, as if it were soot contaminated water. Any ideas? I cant for the life of me figure out where its coming from. My first thought was oh crap, and I removed the degass bottle cap to see if there was oil instead of coolant, but that wasnt the case lol. The drips are in random locations, sort of centrally located under the engine, not really one side or the other.
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Old 07-30-2012, 06:07 PM
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You may have a coolant leak. It is probably black because of a dirty engine
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Old 07-30-2012, 06:11 PM
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If it was an egr cooler it can leak out the tailpipe. Most likely just condensation dripping out the exhaust.
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Old 07-30-2012, 06:12 PM
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Hey bro,,,,the code for the icp is a p2291.... I know because my 2006 just spit it today... I have noyiced it cranking longer for the last few weeks.... Today it just cranks and spits the above code... am I correct in the ICP being on the front of the right side valve cover?? I was told to unplug it and crank the motor.. if it cranks then the icp is bad?? there are two big plugs on it,,, do i unplug them both??
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Old 07-30-2012, 06:18 PM
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The two big connectors are for the glow plug module. The icp is right there by it. Small round silver sensor with a 3 wire connector. P2291 is gonna be a high pressure oil leak.
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Old 07-31-2012, 01:52 AM
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Quote:
Originally Posted by jimmie67 View Post
Hey bro,,,,the code for the icp is a p2291.... I know because my 2006 just spit it today... I have noyiced it cranking longer for the last few weeks.... Today it just cranks and spits the above code... am I correct in the ICP being on the front of the right side valve cover?? I was told to unplug it and crank the motor.. if it cranks then the icp is bad?? there are two big plugs on it,,, do i unplug them both??
Nice Hijack bro. OP it sounds like you have an exhaust leak somewhere and possibly water from the ac evaporator is getting on the leak and dripping the soot to the bottom?? I'd start by checking all the exhaust for leaks. Pop the hood and power brake it in the driveway for a few seconds and watch for smoke to rise out of the engine compartment. If it does than this is your problem also after doing so check the rest of the exhaust system for signs of leaks where the soot has built up. Hope this helps.
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Old 07-31-2012, 03:37 AM
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To add too Tuscany's post, these trucks do not use exhaust manifold gaskets from the factory, as it is two machined surfaces bolted together. Over time, the exhaust manifold flanges can warp a bit, and on a cold start, condensation can seep out of the connections, until the engine and manifolds are hot enough that they evaporate any condensation. It would be similar to seeing condensation come out the tailpipe of a gasser, but it stops once it warms up a bit. I have fired mine up cold and looked around the manifold connections while it's idling and seen condensation seeping out, so this could also be the culprit, an would explain the random drips centrally located under the engine. Hope this helps you.
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Old 07-31-2012, 02:36 PM
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Sure does. I thought I heard a ticking noise coming from the general area the leak seems to be coming from, kind of like an exhaust leak. Ill dig into it more and see what I can find. Thanks for the input guys.
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