L99 random hiccup/die - Ford Powerstroke Diesel Forum
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Old 03-05-2013, 05:31 PM
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L99 random hiccup/die

hey every one, looking for some insight. My psd will randomly hiccup at highway speed, and if I'm stopped at a light it dies. But this only happens once in blue moon. The icp and cps are new and i have a ebp sensor delete. My truck is running on its factory default mode. I know my map sensor is bad and will change it as soon I'm off standby for work. My question is would a bad map sensor cause these issues? When it does die at a light it fires right back up. Mod list is as follows: 38R turbo, 238/100 injectors, airdog 150 fuel pump, frx crossover, arp studs, 910 valve springs, stellite valves, 5" exhaust, and a ts 6 position custom tuned by beans. Any help would be appreciated. I know some people may not like the mods, but please try to keep to the problem at hand. I have tried searching but keep coming up empty. I love this forum and know someone out there can help. Thanks again in advance!
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Old 03-05-2013, 07:04 PM
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a bad map shouldn't cause a stall, no. have you checked for codes? if so, what codes are you throwing?
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Old 03-06-2013, 02:15 AM
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it threw some codes like 1210 1211 0603, it also kicked out some back pressure codes and a cps codes. now I've just been going thru trying to figure out what is going on. If i can't get it soon i will be taking it to a friend's dad's, he's a powerstroke specialist up here in northern Indiana.
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Old 03-06-2013, 04:23 AM
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lol. you need to be exact with those codes. what were all of the exact codes, in their entirety?
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Old 03-06-2013, 04:32 AM
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I'm sorry, i should have told you that i did know exactly what the codes were and was going thru them one by one and fixing them, i don't recall now exactly what they were. but my map sensor never even threw a code. That's what i don't understand?
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Old 03-06-2013, 04:44 AM
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the codes weren't cleared, were they? if they were, has the problem come back since then? you're going to need to retrieve the codes using a device capable of reading manufacturer specific codes. record them this time.
and how do you know the map is bad then? what tests did you perform?
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Old 03-06-2013, 05:54 AM
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i am using a top of the line scanner, it reads the code in it's entirety, streams live data, the works. my baro is reading about 14.5, my map is reading 30. and yes that is psi.
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Old 03-06-2013, 09:23 PM
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are those readings KOEO?
also, what are all the codes in their entirety?
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