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damian mcdonald
New User
Nov 18, 2010, 6:59 AM
Post #1 of 2
(1680 views)
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2003 ford superduty,7.3
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check engine light comes on transmission comes out gear no throttle response put truck in "n" back in to drive everything goes back to normal for a few miles and then it does it again
(This post was edited by Hammer Time on Nov 18, 2010, 7:38 AM)
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Hammer Time
Ultimate Carjunky
/ Moderator
Nov 18, 2010, 7:39 AM
Post #2 of 2
(1671 views)
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Re: 2003 ford superduty,7.3
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The "check engine" light is an indicator for a system that monitors many electronic functions in the system, also called the "malfunction indicator lamp" (MIL). It can come on for any of hundreds of different causes from any of the systems that the computer monitors. Some are very important and can lead to further component or engine damage and some are emissions related not as serious but still a problem and need to be repaired.
Your first step is to have the computer scanned to retrieve the trouble codes that were set when the check engine light came on. Those codes will give you specific information about what the computer saw and will get you pointed in the right direction to find your problem. With a 1996 or newer and some 95 cars and you have an AutoZone or Advanced auto parts in your area, they will read them for free. Once you have these code numbers, we can be a lot more specific about what your problem may be.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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