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  #1  
Old 09-20-2010, 06:49 AM
91FordRangerXLT 91FordRangerXLT is offline
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Default Rpm problem and knocking noise

i have a 91 ford ranger with the 2.3l 8 spark plugs. the truck has a knocking noise when i go up hill at a low rpm or when the truck is loaded. any ideas.

the rpm problem is that before the truck sat for 8 months the truck would rev up to 5500rpms now it wont go past 3500rpms. any ideas?

but the knocking noise has been happening before the truck sat for the 8 months.
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  #2  
Old 09-20-2010, 07:22 AM
dvrich dvrich is offline
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Default Re: Rpm problem and knocking noise

Quote:
Originally Posted by 91FordRangerXLT View Post
i have a 91 ford ranger with the 2.3l 8 spark plugs. the truck has a knocking noise when i go up hill at a low rpm or when the truck is loaded. any ideas.

the rpm problem is that before the truck sat for 8 months the truck would rev up to 5500rpms now it wont go past 3500rpms. any ideas?

but the knocking noise has been happening before the truck sat for the 8 months.

It's impossible to tell without looking at it for myself but it pretty much sounds like main bearing issues. It won't rev past 3500 rpms......can't even guess on that.
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2015 Ford F150 4x2 Supercab 3.5 TIVCT 13,500 miles 21 mpg overall......Florida truck.
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  #3  
Old 07-05-2011, 11:20 PM
Tito Tito is offline
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Default Re: Rpm problem and knocking noise

did you fix it? did it sound like this??

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