service engine light - Ford Powerstroke Diesel Forum
 
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post #1 of 9 Old 10-07-2007, 06:39 AM Thread Starter
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service engine light

since the installation of my TS chip, i get a service engine light.
usually comes on when you step into it pulling my trailer. will also do it just jacking around. i have tried the map fooler with no luck.
i also installed an AFE. the light will go out on its own with some simple driving, or if you shut it off and restart.
my pyro is running cooler before the AFE ( almost 200 degrees )
the light will come on at anywhere from 15-27 lbs of boost.
this is an '02 with a 6 speed manual, straight 4" exhaust with a 5" stack.
any help?
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post #2 of 9 Old 10-07-2007, 06:52 AM
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It sure sounds like an overboost to me. Do you have access to a code reader?
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post #3 of 9 Old 10-07-2007, 07:31 AM Thread Starter
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no code reader. could it be a low fuel pressure?
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post #4 of 9 Old 10-07-2007, 07:41 AM
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its either over or under acceptable oil pressure or over boost both are normal

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post #5 of 9 Old 10-13-2007, 05:49 AM Thread Starter
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just to add to this...... WOOOO HOOOOO just turned over 100,000 miles.
did my full service yesterday. oil, oil filter, fuel filter, grease job, etc. fuel filter was a little dirty (8000 miles). i usually change the fuel filter every other service. not again. after the service, took the family to dinner and cant seem to get the service light to come back on. seems to have been a low fuel pressure warning. the truck will get a new fuel filter every service now.
thanks for all the help. i will stay with this.
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post #6 of 9 Old 10-13-2007, 06:09 AM
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more than likely you are getting a p1211 code , which is oil pressure above or below desired , comes from having a chip on it , no fix for it , its normal when under hard accell with chip , oil is aerating inside high pressure oil system


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post #7 of 9 Old 10-13-2007, 06:17 AM
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That could be, I have a 99 with TS, my light was coming on so I put a small air pressure regulater set at 20 lbs and it doesnt come any more.It will hit 30+lbs of boost.
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post #8 of 9 Old 10-16-2007, 02:41 PM
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460+ where did you install this regulator because my truck is doing the same thing. also p1211 has thrown before in mine and I ave the bullydog power pup downloader.

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post #9 of 9 Old 10-16-2007, 04:21 PM
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I installed it in the map sensor rubber hose before the sensor. My boost gauge is in the same line but before the regulator.
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