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  #1  
Old 01-21-2012, 05:05 PM
Learning to use the forums
 
Join Date: Jan 2012
Posts: 2
Default 2002 V6 Ranger idling rough

Hey all. After browsing for a while I decided to sign up.

I have a 2002 V6 4wd and it has a really rough idle. So far plugs and wires, MAS sensor, PCV valve, EGR valve and fuel filter has been replaced. The engine idles rough without an engine code/check engine light coming on. It also skips while driving every once and a while.

Im out of money to take it to a mechanic to look into it further, the Ford dealership only replaced and replaces what the diagnostic says to replace. After taking it to them it still ran like crap. My MPG has gone from over 19 mpg to 16 mpg and I hear a wierd air like ticking sound from the left side of the motor.

Any thoughts or suggestions?

Thanks.
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  #2  
Old 01-21-2012, 05:26 PM
"98 Stepside 4x4
 
Join Date: Aug 2010
Posts: 150
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Change the throttle position sensor, they are like $25 at advance auto. Also, clean your idle air control valve (there is a how to on this in the forum) usually these two things will fix it


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  #3  
Old 01-27-2012, 07:07 PM
Learning to use the forums
 
Join Date: Apr 2009
Posts: 2
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Have them check the harmonic balancer. My 04 fx4 was idling rough although it wasnt making any odd noises and that solved the problem. Prior to that i changed pcv, cleaned maf & air intake assembly, new e3 44 plugs & wires, & seafoamed it.
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