Join Date: Oct 2010
Location: LAKE ARIEL PA
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HELLO, i hope this is not the answer butttt.....mine started doing this about two mths ago, i thought it was the chip i had in, so i switched chips and it calmed the issue down but did not cure it, two weeks later the symtoms got worse, it would do it consistently under a load (accelerating or climbing a hill) but only between the speed of 45-55 mph range , give or take a few mph's, two more weeks after checking with the trans shop, no codes came up and they said the od light would start to flash if the trans had a problem, but the problem is there, two weeks later we decided to go test one of the race cars, i decided i was going to take the small open trailer instead of the 40 ft fifth wheel i usually use, just in case the truck broke , a freind could pull the small trailer back, and the truck could be towed back to my shop,, well this time i only had a few in and out of od's then the od light started flashing on a long hill and now i knew something was up. i was able to tow home without the od light flashing and my next stop was back to the dealer to have them check it out, they said the trans went into safe mode and is probrably smoked now, i checked the fluid (synthetic) and sure enough burnt brown. but i can still drive it. two weeks later the tc started to make a growling noise when in od if i tried to accelerate too hard. two make a long story short i am not sure which one it is the trans or tc, but you should have someone qualified to look at it. i am changing both the trans and tc next weekend, good luck to you and keep me posted.
1999 7.3 F350 SUPERDUTY CREW CAB DUALLY, BANKS EXH, BANKS WASTEGATE, BANKS POST GAUGES EGT,BOOST) DIABLO CHIP, WESTERN DIESEL CHIP, WESTERN DIESEL EXH BRAKE, WESTERN DIESEL, TRANS COMMAND, DELAY SHUT OFF TIMER, AUXILLARY PCM FROM FORD,
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