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  #1  
Old 02-25-2011, 09:14 PM
01motomike 01motomike is offline
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Default rough idle

My truck runs rough at idle and has since the day I bought it I did a full tuneup on it and nothing still dose it what els can I look for/what can be the cause ??
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  #2  
Old 02-25-2011, 09:16 PM
klinger86 klinger86 is offline
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Default Re: rough idle

have you tried cleaning the IAC?
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  #3  
Old 02-25-2011, 09:21 PM
01motomike 01motomike is offline
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Default Re: rough idle

No I have not I will tomorrow tho
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2001 Ford ranger xlt
15x8 chrome wheels with 30
2 10" subs 1100 watt amp
3" spindles and I hope soon 33
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  #4  
Old 02-25-2011, 09:37 PM
sgtsandman sgtsandman is offline
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Default Re: rough idle

Try that, cleaning the MAF sensor and give the fuel system a good scrubbing with either some sea foam or Techron fuel system cleaner. Which ever you use, pour it in before filling the tank and run the tank damn near dry to get the maximum cleaning effect. It will take a full bottle of Techron or 1/3 a bottle of sea foam.
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2011 Ranger XLT, 4X4, 4 door Super Cab. 4.0L, 5 Speed M50D-R1HD, 3.73:1, 8.8" open differential, Jason Pace cap
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  #5  
Old 02-26-2011, 04:45 AM
STL STL is offline
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Default Re: rough idle

Ya I would try cleaning the IAC and MAF and also running some seafoam through it.
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  #6  
Old 02-26-2011, 05:17 AM
modelageek modelageek is offline
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Default Re: rough idle

Quote:
Originally Posted by 01motomike View Post
I did a full tuneup on it ??
f you did not clean the IACV, TB, MAF, PCV, EGR, change fuel filter,add Techron or similiar to tank, etc and disconnect the neg batter terminal for a bit.....then you did not do a "full tuneup"
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2004 Ranger, Ext Cab, 2WD, 3.0, 5 speed , 4WABS, crank windows, no cruise, Edge 116k.(6/5,2014) (SOLD).
1999 Ford Ranger, Reg Cab, 2.5, 5 speed, 2WD, no AC, 150k (SOLD).
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  #7  
Old 02-26-2011, 11:32 AM
01motomike 01motomike is offline
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Default Re: rough idle

I cleans the Iac and the maf runs good now thanks guys
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