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Old 08-17-2013, 10:19   #1 (permalink)
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Question 2009 Expedition - transmission issue

I have a '09 Expedition SLT- 95K miles, engine light and limp home mode kicked in. I then recently tuned up & tranny flush - code said O2 sensors may be problem - so O2 sensors replaced, now the truck sometimes sticks in 3,000 -3,500 RPM @ 30 MPH and/or tries to surge at stop signs. Problem ends when I shutoff the engine and restart. Ford dealer says "the engine needs to just warm up so it does not dump fuel" . . . I doubt that - any help out there ?
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Old 08-17-2013, 10:38   #2 (permalink)
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Re: 2009 Expedition - transmission issue

Are all of the codes gone?
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Old 08-17-2013, 11:13   #3 (permalink)
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Re: 2009 Expedition - transmission issue

What were the codes, do you remember?
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Old 08-17-2013, 13:13   #4 (permalink)
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Re: 2009 Expedition - transmission issue

First set of codes were P0130 and P0150. Ford dealer reset the PCM and TCM and told me it maybe 02 sensor. My mechanic at home got error codes I think P0172/0174 so he replaced 02 sensors and tuned up (plugs, air filter, PCV). He said it now had errors "torque converter clutch solenoid stuck off" and "incorrect gear 2". Took it to another Ford dealer and told them this - they saw no codes and again cleared the TCM and PCM.
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Old 08-18-2013, 04:00   #5 (permalink)
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Re: 2009 Expedition - transmission issue

How long does it "hold" at that rpm. The shifts do occur later when engine is cold but shouldn't set any kind if code. Have you noticed anyt other shifting issues like rpm flare on shift it really hard shifts?


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Old 08-18-2013, 05:46   #6 (permalink)
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Re: 2009 Expedition - transmission issue

At least 2-3 miles, I never let it go longer in fear of ruining the tranny and/or engine. Never happened before, just the past 2 weeks after the engine light went on for supposed O2 sensor. The shifting from park to reverse and fro park to forward also seems delayed. My personal mechanic said he saw a code of "torque converter clutch solenoid stuck off" and "incorrect gear 2", yet the Ford dealer did not see those errors.
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Old 08-18-2013, 14:39   #7 (permalink)
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Re: 2009 Expedition - transmission issue

Well it needs to be looked at to determine if there is a Trans problem. If a torque converter has an issue you won't feel a shift problem. If you have a second gear problem that could be what your feeling. The computer will pick up the fault and eventually skip that gear. Without a capable scan tool you will not be able to diagnose the Trans at home.


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Old 08-18-2013, 16:30   #8 (permalink)
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Re: 2009 Expedition - transmission issue

thanks, I will take it to a transmission shop I know
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