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  #1  
Old 01-25-2013, 08:41 AM
Dtenhoff Dtenhoff is offline
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Default Please help!! Rough idle on my 2002 ranger!!

I have a 2002 V6 Ranger. When I come to a stop light my truck will idle
Really low and want to die. I have to rev the engine to keep it from dieing.
I replaced a o2 sensor yesterday my check engine light was on. I also replaced the idle control valve. It ran for 10 mins idleing and then it started to shake and the rpm was at 500. Any suggestions?
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  #2  
Old 01-25-2013, 08:54 AM
03crewcabranger 03crewcabranger is offline
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Default Re: Please help!! Rough idle on my 2002 ranger!!

Have you checked if truck's getting a spark on all 6 plugs?
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Old 01-25-2013, 10:11 AM
modelageek modelageek is offline
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Default

Quote:
Originally Posted by Dtenhoff View Post
I have a 2002 V6 Ranger. When I come to a stop light my truck will idle
Really low and want to die. I have to rev the engine to keep it from dieing.
I replaced a o2 sensor yesterday my check engine light was on. I also replaced the idle control valve. It ran for 10 mins idleing and then it started to shake and the rpm was at 500. Any suggestions?
Go buy a codereader and post the codes. In the meantime you could do a tuneup on it.

SFDROIDBIONICUT2

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What engine? Details details details

SFDROIDBIONICUT2

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Quote:
Originally Posted by Dtenhoff View Post
I replaced a o2 sensor yesterday my check engine light was on.
What o2 sensor. Details?

Ma truck dun't work Watta I du

SFDROIDBIONICUT2
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2004 Ext Cab, 4WD, 4.0, Auto, 154k. (4.0 engine is out of a 2009 Ranger w/96k) ( as of 7/1/2017)

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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  #4  
Old 01-27-2013, 07:05 AM
2002v6xlt 2002v6xlt is offline
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Default Re: Please help!! Rough idle on my 2002 ranger!!

You may have a vacuum leak. Have you been getting poor fuel economy recently? My guess is that the curved 90 degree rubber hose that connects your PCV valve to your intake plenum is cracked. This happened to me two summers ago and I had similar symptoms. This hose is close to your firewall. Check it out and get back to us, I can describe to you how to replace it if that's the problem. You need to order the hose assembly part from Ford.
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