no start no wts light - Ford Powerstroke Diesel Forum
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Old 06-24-2013, 10:42 AM
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no start no wts light

Some background, bought an early 99 in used 2010 for occasionaly use. It sits most of the time. It started acting wierd & would die occasionally but would always start back up, does it more when raining & ses light comes on. Once i noticed the wait to start light did not come on, & it did not start. A few more key turns & it comes on & starts. Looking around i noticed the bottom screw on the pcm that goes thru the firewall is gone & I assumed the prior owner had a chip on it & removed the chip/tuner & was too lazy to replace it. Some time went by & i recieved a recall notice from ford on cam pos sensor & speed control. When I took it in, i mentioned the missing screw. When I left the dealer they said they put the screw in & all was well. Drive home in the rain with zero issues & think ok this mess is fixed. Next time i go to start the truck service engine soon comes on with the key turn & the wait to start light never comes on. My first guess on this is to remove & try to clean the pcm contacts? What should I clean it with or what else should i check out? This is an extra vehicle so i can take some time. i had to drive my car on the donut today because the truck won't start. I need to learn more about this thing. Thanks
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Old 06-24-2013, 11:25 AM
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your fuel heater is shorted , unplug the fuel heater ,white connector on back of filter housing and replaced blown fuse , it will start then
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Old 06-24-2013, 11:46 AM
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Thanks scuffy, I assume I will need to replace the fuel heater before it gets cold as the long term fix? Sorry for being a big dummy on these, but where is this fuse located & what amp size is it? I assume it is a blade type? Thanks again for the fast fix!
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Old 06-24-2013, 02:15 PM
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I think its fuse 22. Its a 20amp
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Old 06-25-2013, 03:02 AM
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I checked the fuses under the hood. 1 blown 7.5 fuse. Looking from the front of the truck it is the second 7.5 from the front on the left. Everything else looked good. There was a metal fat one I couldn't tell if it was bad or not. I will pick up some fuses tonight & see what happens.
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Old 06-26-2013, 08:57 AM
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I couldn't find any bad fuses under the dash. Service engine soon light is on & the wait to start light does NOT come on. Anyone know what powers the pcm, it has to be that.
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Old 06-26-2013, 10:13 AM
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Quote:
Originally Posted by Tractorsaw1 View Post
I couldn't find any bad fuses under the dash. Service engine soon light is on & the wait to start light does NOT come on. Anyone know what powers the pcm, it has to be that.
you are thinking correct , no power to pcm means no wait to start light, fuse 30 in the dash is a 30 amp , check that one, also if you can get to the ipr wiring check the red wire in that connector and tell me if you have 12 volts there
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Old 06-26-2013, 10:24 AM
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After doing some more reading in the motor problem section another member had a snow plow wired in to the pcm fuse. I belive I have a radio wire or something that someone smashed in with one of the fuses under the dash. I am going to remove that & see what happens. What is the IPR? There are so many abbreviations on this site I guess i missed where to lookem up at. Thanks Scuffy!
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Old 06-28-2013, 02:36 AM
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The plastic cover that holds the pcm did not have the top screw in & the bottom was loose. It was tough to get the top screw in. Got it in & tightened both of them up, wait to start came on & fired up. Thanks for the help
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