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post #1 of 3 Old 11-12-2011, 03:35 PM Thread Starter
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codes deleted??

Hi
I have a 1997 7.3 turbo power stroke.
my question is

Will unhooking the batery for several hous delete any code that may have been in the computer.

I have had some trouble with somthing and the check engine lite came on several times and I had am appointment for wed. to have a ford repair man to hook up his code reader.............Then I had started problems and had the battery unhooked for several hours.....now do I need to go on a trip and get the lite to come back on again before he looks for codes????

Thankyou for answering my question
Kyle
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post #2 of 3 Old 11-12-2011, 03:47 PM
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You shouldn't have to. Pretty much all newer OBD 2 type vehicles will retain logged trouble codes, even if you undo the battery cables. That really only worked on early OBD 1 vehicles.
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post #3 of 3 Old 11-12-2011, 06:51 PM Thread Starter
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ok Thankyou and that is good news because sometimes the light comes on in less that 20 miles and sometimes 50 to 100 miles I never know.
Thankyou Kyle
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