TRANNY CONFUSED?? - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 32 (permalink) Old 09-18-2012, 09:26 PM Thread Starter
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TRANNY CONFUSED??

bought a 97 powerstroke about a month ago..guy who owned before me had the edge evolution chip installed and i think he messed with the shift points cuz the tranny seems to not know when to shift or how to stay in just one gear.
i unplugged the chip but and the problem went away...temporarily. noW it does the same crap but with no chip..
WTF HAPPENED?!
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post #2 of 32 (permalink) Old 09-18-2012, 09:49 PM
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Re: TRANNY CONFUSED??

Was the evolution a flash tuner?

Is the O/D light blinking?

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post #3 of 32 (permalink) Old 09-19-2012, 02:59 AM Thread Starter
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Re: TRANNY CONFUSED??

no the chip was not a flash tuner which is why im not a fan..and no the only light to come on is the ABS light which im not sure if they issues are connected..
after some more symptoms today i might have come to the conlusion that my automatic clutches are slipping? i cant quite figure it out!
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post #4 of 32 (permalink) Old 09-19-2012, 03:31 AM
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Re: TRANNY CONFUSED??

abs light on the abs uses the same sensor for wheel speed as the comp/speedo that may cause shifting priblems. Does ur speedo bounce around?

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post #5 of 32 (permalink) Old 09-19-2012, 04:52 AM Thread Starter
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Re: TRANNY CONFUSED??

yes my speedometor is like on meth!! iv been having trouble finding where that connection is tho all my wire connectios underneath the truck seem tight
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post #6 of 32 (permalink) Old 09-19-2012, 05:35 AM
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Re: TRANNY CONFUSED??

Quote:
Originally Posted by 97blackbetty View Post
yes my speedometor is like on meth!! iv been having trouble finding where that connection is tho all my wire connectios underneath the truck seem tight

IIRC it's the sensor on the top of the tranny, VSS???

~Tom~ 02 F350 CCSB 4x4 SRW 7.3L, DIY-6637, PHP Phoenix-(STK-80dd-100P-120R-65T-40T) 4" TB-409SS MBRP, GS 3 in 1, EGT/Boost/Tranny, Fisher 8' MM2. Tymar HPX, NON-EBV Pedestal, Turbo Master, Wicked Wheel, Hutch/Harpoon, RR-Plenums/clamps, 203*TS and Billet Housing, ELC, Fumoto, CCV Dumped, Foil, AIH, and EBV, Pontoons All Missing...~AE w/Ford Pack~
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post #7 of 32 (permalink) Old 09-19-2012, 05:40 AM Thread Starter
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Re: TRANNY CONFUSED??

VSS?? but ok thanks ill look tomorrow and try to find it i really hope that will be the fix!!
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post #8 of 32 (permalink) Old 09-19-2012, 05:46 AM
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Re: TRANNY CONFUSED??

It might be on the rear differential, now that I think about it.

Have you scanned your truck yet? O/D light flashing?

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post #9 of 32 (permalink) Old 09-19-2012, 06:38 AM
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Re: TRANNY CONFUSED??

Check your tail lights an 3rd brake light, on the obs it can cause shifting issues

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post #10 of 32 (permalink) Old 09-19-2012, 02:13 PM Thread Starter
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Re: TRANNY CONFUSED??

I won't have time to get it scanned till Friday but I have noticed the OD light flash a couple times.. But it's random seems like
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