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SES light at WOT

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Old Aug 12, 2007 | 08:41 PM
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From: Sandia Park, NM
SES light at WOT

The g/f and I went camping this weekend at a "four wheel drive access" park in Northern NM. This is the first time I've had a chance to play with it so she got about 3 hours of trail time on moderate hills. The truck ran fine all weekend, then pulling hard up a steep hill at WOT the SES light turned on. I want to say that I lifted (quickly) right before it came on but I'm not sure. I pulled over and looked for anything obvious under the hood and found nothing. The truck ran fine with the light on and it turned off after another 10 or so minutes of driving. A couple of other things I should mention: It was raining beter than half of the 3 hr drive home.....I lost te weather boot to my ICP sensor....my current ICP sensor has been leaking in to the plug....the motor/turbo almost sounded like it was "chugging" up hills right before that.

So..... Any Ideas? What code readers do most use? Will the computer store codes after the SES light goes off?
 
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Old Aug 12, 2007 | 08:42 PM
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Over boost condition and the PCM went into a de-fuel mode to keep damage from occuring. That's just my guess though.
 
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Old Aug 12, 2007 | 08:43 PM
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Yes it will store the code, I use Auto-engunity to read codes. The ones at autozoo wont work on our trucks. Do you have any chip or tuner on the truck?
 
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Old Aug 12, 2007 | 08:44 PM
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Do you have a chip or programmer running in the truck? It sounds like it was defueling or an overboost? Someone with more will probably chime in
 
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Old Aug 12, 2007 | 08:45 PM
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That chugging may have been surge. But I agree with Scott, it sounds like overboost. Mine does it at about 24psi.
 
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Old Aug 12, 2007 | 08:48 PM
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I have tripped the light once playing with a D-Max on the freeway. Stayed on for 10 minutes and went off just like he describes. Hasn't been back since and that was 3 months ago. Didn't trip when I burned the Hemi last week either.
 
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Old Aug 12, 2007 | 10:21 PM
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Mine came on a couple times today, only when on it hard in the 140 tune. Went off a couple minutes later. It won't(or didn't) do it in the 80 tune though, and I have a boost annihilator from ITP on there as well. What else could cause it to come on?
 
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Old Aug 13, 2007 | 01:20 PM
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From: Sandia Park, NM
Originally Posted by John311t
Yes it will store the code, I use Auto-engunity to read codes. The ones at autozoo wont work on our trucks. Do you have any chip or tuner on the truck?
No chip or tuner, so I thought overboost wouldn't happen.
 
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Old Aug 13, 2007 | 01:22 PM
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From: Sandia Park, NM
This is a great excuse to convince the g/f we need to drop some cash on gauges. Is my estimate of ~$500 pretty close for a-pillar and 3 gauges?
 
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Old Aug 13, 2007 | 01:35 PM
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A little closer to 350$ if you install them yourself.
 
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Old Aug 13, 2007 | 01:49 PM
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No chip or tuner, so I thought overboost wouldn't happen.
But you do have a 10K mod in your sig. This is adding power somewhat similar to how a chip or tuner would. So you have two very likely possibilities for what code was tripped, either an overboost code, or an ICP higher than expected.

Mine came on a couple times today, only when on it hard in the 140 tune. Went off a couple minutes later. It won't(or didn't) do it in the 80 tune though, and I have a boost annihilator from ITP on there as well. What else could cause it to come on?
Again ICP code (the P1211). Most stock HPOP's can't keep up with what the 120 or 140 tunes call for in oil pressure and volume. Doesn't hurt anything, it's just that you aren't able to fully take advantage of what the chip can do. Believe me, with an HPOP setup that can handle higher HP tunes, it can really wake your truck up even with stock injectors. With the Termy setup on my truck, I dropped .8 seconds off the 1/4 mile, and no longer set the ICP code when I race.
 
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Old Aug 13, 2007 | 05:00 PM
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With the Termy setup on my truck

Is this a brand of HPOP ?...
 
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Old Aug 13, 2007 | 07:36 PM
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Originally Posted by Action4478
Is this a brand of HPOP ?...
Terminator HPOS.... http://terminatorengineering.com
 
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Old Aug 13, 2007 | 07:45 PM
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Originally Posted by Pocket
Again ICP code (the P1211)

This is exactly what I am thinking caused the light to go on. I guess big oil is in the near future.
 
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