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Check engine light comes on?

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Old Mar 11, 2009 | 10:41 PM
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Check engine light comes on?

my light came on the other day. i had just pulled out on the high way and was standing on the go pedal. the light came on for a few min and then went off. it did the same thing twice after that but only when i was playing around. do these trucks have egt sensors in them to give you a warning that your to hot?
 
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Old Mar 12, 2009 | 01:50 AM
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most likely it has given you a 1211 code..the HPOP couldnt keep up with your foot..very common code
 
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Old Mar 12, 2009 | 01:56 AM
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What Ron said.
 
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Old Mar 12, 2009 | 02:07 AM
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I get that all code way to often. LOL.
 
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Old Mar 12, 2009 | 08:27 AM
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Me Too! Im not sure what the code number is because I dont have a scanner but the light only comes on when I stand on it.
 
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Old Mar 12, 2009 | 08:48 AM
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could it also be an over boost problem?
 
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Old Mar 12, 2009 | 09:32 AM
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Originally Posted by 03_PSD
could it also be an over boost problem?
Yes it could if you don't have one of these.

Overboost Annihilator
 
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Old Mar 12, 2009 | 06:01 PM
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What is an HPOP (high pressure oil pump?). dont think it was an over boost issue. i can only get around 24 25 boost psi.
 
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Old Mar 12, 2009 | 07:05 PM
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Originally Posted by shark1979
What is an HPOP (high pressure oil pump?). dont think it was an over boost issue. i can only get around 24 25 boost psi.
IIRC it is around 22-23 that the map trips the ses light.
 
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Old Mar 12, 2009 | 07:14 PM
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yeah i'd say overboost, get the overboost annhilator and you'll be fine
 
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Old Mar 12, 2009 | 07:18 PM
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the over boost what? where do i get one of them. does it hurt for that to happen. will iget more boost?
 
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Old Mar 12, 2009 | 07:26 PM
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It is basically a pressure regulator that limits the amount of boost that your map sensor sees. It will not give you more boost. Some of our site sponsers have them.
 
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Old Mar 12, 2009 | 09:46 PM
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so will it hurt any thing if i dont get one? light in the pocket right now, just got 6.0 tranny cooler, up pipes,ccv mod and ss brake lines all the way around!
 
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Old Mar 13, 2009 | 02:43 AM
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if it is a over boost it will defuel the truck..you will loose power till the boost drops bellow 22..not haveing the OBA isnt going to hurt anything...
 
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Old Mar 13, 2009 | 10:03 AM
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Originally Posted by megawatt00
IIRC it is around 22-23 that the map trips the ses light.
That's what everyone says... mine doesn't seem to kick in until around 25-26. Never noticed it defueling either which is weird, always seems to run just the same. I think my truck is just a freak
 
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