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  1. S

    Ford Expedition 2008 (catalytic converter problem)

    CO=0 ppm, HC= 1ppm, do you think CAT is faulty? Yes, code reads P420 (CAT faulty).
  2. S

    Ford Expedition 2008 (catalytic converter problem)

    I dont feel any problem in driving, just only " check engine" light is on all the time which is a bit annoying.
  3. S

    Ford Expedition 2008 (catalytic converter problem)

    Hi Guys My ford expedition king ranch 2008 has thrown P420 code since two months now. Today when I went for emission test, it passed it with the values (CO= 0 ppm, HC=1ppm). Should I continue driving as it is or shall replace catalytic converter? Any thought please.....
  4. S

    Ford Expedition 2008 Shudder problem

    Share with us Please share with us your experience once you solve this problem. Your experience/ information may help many like us. Thanks
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    Ford Expedition 2008 Shudder problem

    Replace Torque convertor immediately Dear Mohammad yes, there is great improvement in pick and i can feel vehicle moving with much more power when i accelerate. When torque converter was bad, vehicle moved much slow and i cannot feel power. After changing converter i traveled from jubail to...
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    Ford Expedition 2008 Shudder problem

    Learning from my experience: 1. computer test and visual inspection does not cover mechanical problems which you may encounter after the purchase of car 2. Certain things appear with temperature change/ climate change. everything was fine when i bought this car in winter. as summer started, i...
  7. S

    Ford Expedition 2008 Shudder problem

    it cost me 1000 dollar (torque converter (motorcraft) = 750 dollar, labor= 250 dollar)
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    Ford Expedition 2008 Shudder problem

    yesterday i took my car for transmission oil and filter change. technican asked me the problem and did test drive. he said shudder is due to bad torque converter. he replaced the torque converter with new one, transmission oil and filter change. result is, there is no shudder whatsoever at any...
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    04 problems, hesistating, chugging, slipping, help?

    Dib52 Hi This is the link of my thread http://www.expeditionforum.com/f73/ford-expedition-2008-shudder-problem-26647/
  10. S

    04 problems, hesistating, chugging, slipping, help?

    Dib52 Hi My car is exactly the same of you. only difference is it is King Ranch. I experience shudder while driving between 35 to 50 miles. I already posted a thread in this forum with the name "Ford expedition 2008 King Ranch shudder problem". please go through my thread and advise me. Thanks.
  11. S

    Ford Expedition 2008 Shudder problem

    Thanks for guidance. Mechanic did the visual inspection and said all coils are ok. i will go for changing all coils to see if it can help. Actually i am still doubtful this problem is related to coils are transmission issue as it happens when gear changes from 3 to 4 probably. This is my...
  12. S

    Ford Expedition 2008 Shudder problem

    This weekend i will change transmission fluid and filter to see if this can help.
  13. S

    Ford Expedition 2008 Shudder problem

    transmssion is shifitng smooth if i press the gas pedal strongly. if i drive between 35 to 50 miles, shudder is noticeable. important thing is it occurs when vehicle fluids get warm/ hot.
  14. S

    Ford Expedition 2008 Shudder problem

    When technicain remove the plugs, plugs were in very good condition ( previous owner installed just 50,000 km before), i still insisted the technician to change all plugs. Technicain confirmed me that all coils are in good condition and no need to change.
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    Ford Expedition 2008 Shudder problem

    Friends, I bought ford expedition 2008 King Ranch with 147000 miles on it. Before purchasing i did computer test (by qualified technician) and mechanical inspection. also the test drive. Everything went fine. I used about 4 months. As summer started ( i live in saudi arabia) i started...

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