service engine light on but no codes?? - Ford Powerstroke Diesel Forum
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post #1 of 2 Old 06-22-2011, 05:15 PM Thread Starter
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service engine light on but no codes??

I have a 99 f350 powerstroke with 175,000 miles have owned it since 50,000 miles and this is the first time the service engine light has came on, i have tried 2 different scanners and none are showing any codes, the truck runs great when the light is on, but when it goes off the truck starts to buck around any ideas???


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post #2 of 2 Old 06-27-2011, 06:54 AM
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I had a check engine light that didn't throw codes. The no codes was with normal over the counter readers. A guy with a FORD code reader was able to retreive the code where the other one didn't. You may want to get your hands on a FORD code reader.

02 F350 CC 7.3 PS, auto, 6x6, 4.10 gears LB. AFE stage 2 intake, 4" AFE SS exh, 6.0 atf cooler, DP tuner with five stages Eng Temp gauge, EGT guage and Trans temp gauge. J.Woods valve body ATS turbo housing. Cooling sys filter & waterless coolant. NON WORKING POS FASS fuel filter sys. Brightbox headlites. I don't care what they say "There's no replacement for displacement." Don't believe statements about anything being better than a 7.3
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