Rough Idle

Tech topics for the TJ and LJ (Unlimited) models manufactured from 1997 to 2006.
OkieLJ
Posts: 21
Joined: Mon May 14, 2012 1:49 pm
First Name: Adam
Last Name: Compton
Jeep Year: 2004
Jeep Model: LJ (2004–2006 Wrangler Unlimited)
Location: Edmond, Ok

Rough Idle

Postby OkieLJ » Thu Jun 14, 2012 10:21 am

Noticed that my jeep has a rough idle, I took the throttle body off and cleaned it cleaned my filter, spark plugs were changed last summer. what could it be? i had a code for a small leak in the evap system, and i still need to look around at my hoses. Has anyone had this problem and fixed it? I dont really want to have to take it in.
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jjstasen
Posts: 922
Joined: Thu Dec 24, 2009 9:27 pm
First Name: Josh
Last Name: Stasen
Jeep Year: 2008
Jeep Model: Other "non Jeep"
Location: okc ok

Re: Rough Idle

Postby jjstasen » Thu Jun 14, 2012 12:45 pm

Check compression
99 XJ classic, 3 link front, 4 link rear, 35''s SOLD
99 XJ sport, 3" lift, 31's SOLD
AKA Nut Gobbler
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desertratt
BOD
Posts: 1308
Joined: Tue Dec 15, 2009 4:06 pm
First Name: Scott
Last Name: Howard
Jeep Year: 1990
Jeep Model: YJ (1987–1995 Wrangler)
Location: Edmond, OK
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Re: Rough Idle

Postby desertratt » Thu Jun 14, 2012 2:47 pm

For the leak, check your gas cap.
90 YJ, 60 front, 14b rear, sbc 327, t350, 203/205 doubler
N5SWH
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Jmac
Posts: 404
Joined: Tue Dec 15, 2009 2:27 pm
First Name: Jason
Last Name: McMurray
Jeep Year: 2000
Jeep Model: TJ (1997–2006 Wrangler)
Location: "405" okc

Re: Rough Idle

Postby Jmac » Thu Jun 14, 2012 8:49 pm

Check all vacuum lines for small cracks.
custom tube buggy, 39" stickies, full hydro,60's front and rear, king coilovers front, radflow air shox rear, 4.3L, th350

OKJT Vice pres. 10' ,11',12,13,14 & 2015
OkieLJ
Posts: 21
Joined: Mon May 14, 2012 1:49 pm
First Name: Adam
Last Name: Compton
Jeep Year: 2004
Jeep Model: LJ (2004–2006 Wrangler Unlimited)
Location: Edmond, Ok

Re: Rough Idle

Postby OkieLJ » Wed Jun 20, 2012 6:27 am

I have already replaced the gas cap. I took the - battery cable off and it went away we will see if it comes back.
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jjstasen
Posts: 922
Joined: Thu Dec 24, 2009 9:27 pm
First Name: Josh
Last Name: Stasen
Jeep Year: 2008
Jeep Model: Other "non Jeep"
Location: okc ok

Re: Rough Idle

Postby jjstasen » Wed Jun 20, 2012 7:38 am

That usually fixes everything
99 XJ classic, 3 link front, 4 link rear, 35''s SOLD
99 XJ sport, 3" lift, 31's SOLD
AKA Nut Gobbler

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