98 will idle fine, won't rev-up.. - F150online Forums

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98 will idle fine, won't rev-up..

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  #1  
Old 07-01-2008, 09:52 PM
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98 will idle fine, won't rev-up..

My Beautiful truck is down again. This time it started up fine, I let it warm up. Dropped it into Drive,and gave it some gas...and it just sputtered.

It will start up and idle fine...even in Park it will not take any gas without sputtering out....

The check engine light is on, but I don't have a scanner...Advance auto will do it for free..but I'll never get it there.

Has anyone ever run into this? It's to nice of a truck to hate
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Old 07-02-2008, 12:36 PM
glc glc is offline
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Some parts stores will let you "borrow" a code scanner - leave your credit card as security, bring it back in a reasonable period of time, no charge. Others may let you buy one and bring it back for a refund same day.
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Old 07-02-2008, 12:40 PM
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glc.... doesnt sound like hes runnin rich? maybe you have a vacuum leak or a posibly a hole in the intake somewhere?
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Old 07-02-2008, 12:54 PM
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Quote:
Originally Posted by 4.2trimble View Post
glc.... doesnt sound like hes runnin rich? maybe you have a vacuum leak or a posibly a hole in the intake somewhere?
a vacuum leak/hole in the intake will usually cause you to run lean.

if unmetered air is making its way into the intake it'll be lean.

as far as being too rich thats a possibility but rich usually isnt caused by a vacuum leak (that i know of)

hopefullly he can get a scanner and tell us what it reports.
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Old 07-02-2008, 12:59 PM
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Originally Posted by tj03f150 View Post
a vacuum leak/hole in the intake will usually cause you to run lean.

if unmetered air is making its way into the intake it'll be lean.

as far as being too rich thats a possibility but rich usually isnt caused by a vacuum leak (that i know of)

hopefullly he can get a scanner and tell us what it reports.
gotcha so since there more air getting let in will cause the lean condition?

so waht can cause a rich condition? for future reference?
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Old 07-02-2008, 01:34 PM
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Barrowed a scanner...ended up with some shift selanoid codes..and torque convertor circuit...hopefully it's just an electrical problem within the trans.

Only thing is, why won't it rev up in park?
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Old 07-02-2008, 08:19 PM
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The Transmission guy call's me and says it started bringing up all these codes at once, and he couldn't figure why....Then He said he found a wire harness with a wire...wires... chewd or cut thru...He fixed up the wires in the harness and said it was running like a top. Said it even made the engine run better....

Anyone know anything... about something like that...What kind of wire could this be? I'm thinking chimpmonks...or rabbits..
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Old 07-02-2008, 09:16 PM
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Do you have a enclosed garage or something? How would a rabbit or something make it up in the drivetrain like that unless it was one of those wires coming out of it.
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