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  #1  
Old 04-15-2010, 06:50 PM
handyobert handyobert is offline
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Default help with 4.0

I have a 2001 ford ranger 4.0. while my truck is in park and i mash the accelerator the engine will start to cut out at about 3000 rpms, when driveing down the road at 2500 to 3000 rpms it sounds like valve chatter. I was wondering if the crank shaft sensor may not be working right at certain rpms. have had it in the shop for computer diagnostics but the found nothing have replaced fuel filter, fuel pressure is about 65lbs. any help would be appriciated.
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Old 04-15-2010, 11:01 PM
Tom Tom is offline
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Default Re: help with 4.0

[QUOTE=handyobert;108575]I have a 2001 ford ranger 4.0. while my truck is in park and i mash the accelerator the engine will start to cut out at about 3000 rpms/QUOTE]

That's a built in safety feature. Your trucks RPM limit while in park is 3000 RPMs... so what you're describing there is perfectly normal.
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  #3  
Old 04-15-2010, 11:48 PM
stephen stephen is offline
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Default Re: help with 4.0

^yeah mine does that. it wont go higher then 3000. learned that when i got my flowmaster.
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