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post #1 of 4 (permalink) Old 07-14-07, 03:42 PM Thread Starter
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throttle problem

have a 2007 f150 stx 6 cyl auto 2500 mi .the throttle is late in opening and late in closing.
checked with dealer and was told they would reprogram system.

have two ford products with electronic throttle no problem.

is it possible to change program? thanks jim glatts

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post #2 of 4 (permalink) Old 07-14-07, 06:38 PM
fordmech
 
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Re: throttle problem

Hi jim
Yes it's possible to reprogram the work parameters of an electronic throttle body. They are usually part of the PCM program. But before you do this check for carbon deposits inside the throttle body that could be causing the plate to stick. cheers
marc
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post #3 of 4 (permalink) Old 07-22-07, 06:59 AM
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Re: throttle problem

I would quess that with only 2500 miles on a new '07, the problem is with the PCM programing.
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post #4 of 4 (permalink) Old 07-23-07, 03:55 AM
fordmech
 
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Re: throttle problem

Quote:
Originally Posted by Screwdriver
I would quess that with only 2500 miles on a new '07, the problem is with the PCM programing.
Hi
Not necessarily a PCM issue. If you run your engine in summer with low octane fuel, carbon deposits will form very quickly inside your throttle body, restricting the amount of air you get at any given rpm, specially at idle, due to the fact that cars with electronic throttle bodys don't have an air by-pass (IAC). These deposits also cause the plate to stick when they accumulate around the pivot points of the plate. I've also seen a number of motors that jam from being too tight, specially on low mileage cars. cheers

marc
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