Cold start issues continue. - Ford Powerstroke Diesel Forum
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Old 12-08-2013, 08:26 PM
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Cold start issues continue.

I have a 2000 Excursion with 190,000+ miles. If the temp is below 50f it doesnt start. i've worked on diesels for over 10 years yet i cant make this one right. I changed the glow plugs and found a few that had burnt out tips but got them out in one piece. i changed the wire harnesses under the valve covers for the glow plugs and injectors. i also changed the valve cover gaskets at the same time. After all of that it started a little better but still not right. I had a engine light that showed all but 2 glow plugs. I changed the glow plug controller. That got rid of the engine light. Still wont start. I replaced the harness plugs that plug into the valve cover gaskets. Still wont start. Once the truck starts it runs smooth and has plenty of power. The only mod is a simple version of the hutch fix inside the fuel tank. If it's plugged in the truck starts no problem. I've seperated the batteries and load tested each battery 3 times each in a row. Help!!
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Old 12-11-2013, 06:36 PM
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I had a similar issue with hard starts below 50. I swapped out the glow plug relay and that solved the issue.

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Old 12-12-2013, 04:45 AM
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this truck has a glow plug module. it doesnt have the solenoid like some others. there is a solenoid or relay but that is for the heater element in the intake tube. i changed the module and that made the check engine light stay off but didnt make it start any easier.
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Old 12-12-2013, 04:52 AM
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Ok is the f250 and ex that much of a diff? I replaced mine and it helped and I know it did nothing witht the Intake heater because I deleted it when I lived in cali amd just repkaced the relay in ohio. Good luck I am dealing with dead batts now haha

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Old 12-12-2013, 05:05 AM
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engine wise the ex and an f250 are the same. I think the difference is that some years came with the relay for the glow-plugs and some came with a module. I even went as far as to upgrade the starter to a gear reduction one. Still doesn't help. I can crank it for a few minutes before the batteries get low. And now it sounds like its cranking twice as fast as it used to.
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Old 12-17-2013, 05:44 AM
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Did you find out what was wrong. Mine is doing the same thing.
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Old 12-17-2013, 05:49 AM
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Not yet. I'm going to change the oil and put in Rotella 5w-40. right now it has 15w-40. from what i've read on here it seems to make a difference. if i plug the block heater in for almost an hour it will start every time. thats what i've been doing to start it.
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Old 12-19-2013, 05:48 PM
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had same simptoms in my 2000 excu. 250k put 2 new batteries in fires right up.
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cold, glow plu, glow plug control module, start up

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