srvice engine light - Ford Powerstroke Diesel Forum
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post #1 of 4 Old 11-23-2010, 12:27 PM Thread Starter
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srvice engine light

first hello everyone. so i bought a 2000 f250 with the 7.3 powerstroke about 11 months ago. The truck already had a dp tuner f5 switch with 5 settings, 4inch turbo back exhaust, d-pricol guages and a afe stage2 intake. now on the f5 switch it has 60hp tow-haul.80hp economy,120hp race, quite idol, anti theft and then i added the 140 aggresive to it. now before i added the 140 the service engine light never came on. since i have added the 140the service engine light comes on when i run the truck on stock setting as soon as i pt it up to a higher hp setting the light goes off or if i take the chip out and let it run on just the tuned ecu the light never comes on. i took it in and they hooked it up and it was not throwing any codes. i was just wondering if anybody might know why this is happing
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post #2 of 4 Old 11-23-2010, 03:09 PM Thread Starter
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bump bump please
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post #3 of 4 Old 11-23-2010, 03:19 PM
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when they added the new tune they add it where the stock one was? if ur truck throws a code it will stay in the memory and should be able to be pulled. thats my best guess, and if it comes on under like say WOT then it is one of two codes, over boost or HPOP is running out of juice.

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post #4 of 4 Old 11-23-2010, 03:31 PM Thread Starter
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no the stock setting on the chip is position one and the new tune is position 6. i am not sure what wot means. thelight always seem to come on when i let of the accelerator not always bu most of the time. sometimes it will come on while i am idleing.
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