chk eng light after long hill pull no code? - Ford Powerstroke Diesel Forum
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Old 12-08-2011, 06:45 PM
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chk eng light after long hill pull no code?

2002 f-350drw crewcab stock 7.3 manual trans
runs fine but when i pull a long hill the check eng light comes on? it will never do it without towing a trailer but when i tow my camper flat land it never comes on but when i start up a long hill with a load (camper)by the time i get over it the light comes on if i ease over the hills it wont come on and it gos out in a little bit if i dont pull ahilll very soon after it comes on.i have been to autozone and it never show a code!!
can someone tell me what might be wrong????????????
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Old 12-08-2011, 06:51 PM
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I have a 99 f250 7.3 manual trans. I noticed the same thing on mine. After a long pull up hill towing a camper the SEL came on and would go out if I'd let off the throttle. My guess was EGT's running high, but that was only a guess. the code never came up.
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Old 12-08-2011, 07:08 PM
spool up that turbo!!


 

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May be an over boost code my comes on at 27psi I think
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Old 12-13-2011, 11:07 AM
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There's a code. The cheap scanner they have at autozone won't pull it. You need one that speaks proprietary ford diesel talk. Take it to a shop, or find someone in your area with autoenginuity.
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