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2009 Nissan Altima Rough Idle
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Tom64
Novice
Mar 25, 2013, 5:23 PM
Post #1 of 9
(12216 views)
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2009 Nissan Altima Rough Idle
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I have a 2009 Nissan Altima 2.5..Just recently it started idling very rough when in drive at low rpm, like when stopped in traffic or at a light. The problem is not there when car is in Park, Neutral, or Reverse.
Is this a sign that the throttle position is going bad ?
Thanks - Tom
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Hammer Time
Ultimate Carjunky
/ Moderator
Mar 25, 2013, 6:22 PM
Post #2 of 9
(12171 views)
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Re: 2009 Nissan Altima Rough Idle
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No, not really. Is there any check engine light coming on ever?
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Tom64
Novice
Mar 26, 2013, 2:42 AM
Post #3 of 9
(12154 views)
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Re: 2009 Nissan Altima Rough Idle
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No - there's no check engine light.
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Discretesignals
Ultimate Carjunky
/ Moderator
Mar 26, 2013, 4:59 AM
Post #4 of 9
(12139 views)
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Re: 2009 Nissan Altima Rough Idle
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Could be an engine mount grounding out.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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Tom64
Novice
Mar 26, 2013, 2:23 PM
Post #5 of 9
(12120 views)
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Re: 2009 Nissan Altima Rough Idle
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OK..The "Service Engine Soon" light came on today..
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Hammer Time
Ultimate Carjunky
/ Moderator
Mar 26, 2013, 3:31 PM
Post #6 of 9
(12114 views)
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Re: 2009 Nissan Altima Rough Idle
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Go get the codes read and post the numbers here.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Tom64
Novice
Mar 29, 2013, 2:44 PM
Post #7 of 9
(12070 views)
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Re: 2009 Nissan Altima Rough Idle
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Had the codes read.."P0744" - "Torque Converter Clutch Circuit Intermittent"
Took it to two diferent places, got the same code both times.
But - I drove the car at least 40 miles today, in heavy traffic - and it ran great, no rough idle, my wife drove it home from work,
and the symptoms are gone..
Any idea's ?? Thanks in advance..
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Hammer Time
Ultimate Carjunky
/ Moderator
Mar 29, 2013, 3:02 PM
Post #8 of 9
(12063 views)
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Re: 2009 Nissan Altima Rough Idle
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That code has nothing to do with engine operation. It's an overdrive code for the transmission.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Sidom
Veteran
/ Moderator
Mar 30, 2013, 11:42 AM
Post #9 of 9
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Re: 2009 Nissan Altima Rough Idle
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An 09 is still fairly new but depending on the mileage, if it's at or over 100k it might be a good idea to rule out hardened motor mounts as a problem...
Just jack up the engine with a floor jack & block of wood, just enough to get the engine off the mounts, don't pick up the car this way. If the rough idle problem goes away with the engine supported then you have some bad motor mounts....
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