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11-02-2012, 02:32 PM
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#1 |
 Drives: 2012 1SS Join Date: May 2011
Location: so cal
Posts: 318
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2012 ls3 revs on its own in neutral
I think this have been covered before but want to know what causes this. as I am cruising down the street and know that I have to stop I will throw it in neutral and coast to the stop. as I am applying the brakes, right before I stop my engine revs up without touching the gas. really noticeable when cold. is this normal or problem? also while sitting at idle the engine starts to stumble alittle and the rpms bounce around then smooths out but if I sit long enough it will stumble again. car only has 700 miles so not really broken in yet.
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11-03-2012, 12:19 AM
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#2 |
        
Drives: 2011 Camaro SS/RS - 2004 Silverado Join Date: Mar 2010
Location: Las Vegas, NV
Posts: 2,989
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My guess is either the Mass Air Flow sensor (MAF) or the Throttle Position sensor. Do you have an aftermarket CAI? If so, is there air filter oil on the MAF?
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2011 Summit White Camaro 1SS/RS
-6.2 LS3, TR6060, 3.45, G80 2004 Black Silverado 1500 2WD Regular Cab, Short Bed -5.3 LM7, 4L60E, 3.42, G80 2014 White Caprice PPV -6.0 L77, 6L80E, 2.92, G80 |
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11-03-2012, 03:25 AM
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#3 |
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Drives: 2012 1SS Join Date: May 2011
Location: so cal
Posts: 318
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nope, the car is stock except a axle back exhaust
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11-03-2012, 09:40 AM
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#4 |
  
Drives: 2010 Camaro 1LS 3.6 LLT V6 325 HP Join Date: May 2009
Location: LS
Posts: 4,242
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Leave it in drive.
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2010 Camaro Auto, Inferno Orange, Titanium Interior, Gearhead Wheels AIRAID CAI
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11-03-2012, 09:51 AM
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#5 | |
Drives: 2017 Camaro SS1LE 2000 Trans Am WS6 Join Date: Jul 2008
Location: Portland, TN
Posts: 2,955
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Quote:
 Mine was doing that after a bad tune. The tuning for air flow had to be changed.
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2017 Krypton Green SS 1LE
Magnacharged 2000 Trans Am WS6 manual trans 2002 Trans Am 2015 Ram Crew Cab Cummins |
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11-03-2012, 10:32 AM
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#6 | ||
Drives: 2010 SS/RS M6/2500HD Lmm LTZ Join Date: Apr 2012
Location: South Georgia
Posts: 2,543
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Quote:
   
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FASTER than my SS....for now
  2500HD (with a couple parts )Quote:
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11-03-2012, 05:08 PM
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#7 |
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Drives: 2012 1SS Join Date: May 2011
Location: so cal
Posts: 318
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how do you upload video?
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11-03-2012, 05:09 PM
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#8 |
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Drives: 2017 Camaro SS1LE 2000 Trans Am WS6 Join Date: Jul 2008
Location: Portland, TN
Posts: 2,955
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Upload to photobucket or YouTube then post the link.
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2017 Krypton Green SS 1LE
Magnacharged 2000 Trans Am WS6 manual trans 2002 Trans Am 2015 Ram Crew Cab Cummins |
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11-03-2012, 05:38 PM
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#9 |
 Drives: 1997/1969 Camaro's Join Date: Aug 2009
Location: Vacaville, Ca
Posts: 98
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My 2010 does the same thing and it's stock. I think if you do some searches you'll find the rough idle is pretty normal. If you really think there is an issue take it to the dealer.
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1969 Camaro LT1 4L60E
2010 Camaro 2SS/RS 6spd |
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11-03-2012, 05:39 PM
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#10 | ||
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Drives: 2010 Camaro 1LS 3.6 LLT V6 325 HP Join Date: May 2009
Location: LS
Posts: 4,242
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Quote:
  Quote:
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2010 Camaro Auto, Inferno Orange, Titanium Interior, Gearhead Wheels AIRAID CAI
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11-03-2012, 06:19 PM
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#11 | |
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Drives: 2017 Camaro SS1LE 2000 Trans Am WS6 Join Date: Jul 2008
Location: Portland, TN
Posts: 2,955
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Quote:
By the way, he said LS3 which means it's a stick shift.
__________________
2017 Krypton Green SS 1LE
Magnacharged 2000 Trans Am WS6 manual trans 2002 Trans Am 2015 Ram Crew Cab Cummins |
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11-03-2012, 08:32 PM
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#12 |
Drives: 2011 2SS RS, 1968 ragtop Join Date: Apr 2009
Location: Indiana
Posts: 1,850
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It's normal. All of the the LS3s do it. Mine has always bobbed a tad when I throw it in neutral for a stop.
Nothing to worry about. Do a search if you want more info.
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1968 Camaro Convertible LS1, T56
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11-04-2012, 08:04 AM
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#13 |
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Rockin' Steady
Drives: 2010 Camaro 2SS Join Date: Apr 2012
Location: Timmins
Posts: 216
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Normal condition.
If you really think there is something wrong with your car, bring it to the dealer, I can guaranty they wont find anything wrong. But if the tech decides to look into it a little more he can check for updates for your PCM/ECM, BCM ....etc...
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Eric Carrier, proud GM Technician for over 10yrs.
2010 Camaro 2SS Black, L99, SLP headers, GMPP axle back, complete JRE tune, 22" Boss 337's, Nitto Invos 5% tint, Eforce Supercharger w. 3" pulley, ADM FPCM, ID850's, JRE fuel rail mod, Eforce CAI, Moroso catch can, spark plug insulators. |
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11-04-2012, 08:08 AM
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#14 |
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Drives: 2017 Camaro SS1LE 2000 Trans Am WS6 Join Date: Jul 2008
Location: Portland, TN
Posts: 2,955
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After my poor tune and NW 102, mine was revving to 2k.
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2017 Krypton Green SS 1LE
Magnacharged 2000 Trans Am WS6 manual trans 2002 Trans Am 2015 Ram Crew Cab Cummins |
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