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post #1 of 14 Old 05-23-2014, 05:57 AM Thread Starter
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Rough Idle normal

On the way from PA to AZ in my new SS. Car has a rough idle. No miss, just an unevenness that can be felt sitting in the car. Car runs fine. Is this normal?

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post #2 of 14 Old 05-23-2014, 07:00 AM
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mine does same thing. however mine is a 2010 with 80,000 miles on it. I've changed the plugs, cleaned throttle body, neither made a difference. now I'm installing new plug wires.
I noticed it before I bought it and didn't think much about it, but I've been driving it so long I got use to it. It became really obvious 3 days ago when my 10 year old daughter, said " dad is car shakes when we're nor driving"!
maybe it has cheap gas in it.

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post #3 of 14 Old 05-23-2014, 07:33 AM
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On the way from PA to AZ in my new SS. Car has a rough idle. No miss, just an unevenness that can be felt sitting in the car. Car runs fine. Is this normal?

My SS i just got a few weeks ago, has 500 miles on it. When I start it up cold it idles like it has a cam in it, but I like it but after a minute or so it smooths out and idles normally...

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post #4 of 14 Old 05-23-2014, 08:17 AM
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You can always try resetting the ECM by pulling the #5 & #20 fuses and let it sit for awhile. This will reset it to the higher octane table and clear the short and long term fuel trims etc.... This is supposedly for 2010 models only but others with newer years have reported benefits from it as well....

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post #5 of 14 Old 05-23-2014, 11:03 AM Thread Starter
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Thanks all....

Sadly it appears it is more than all of this. Made it to Northern Missouri and sitting at a dealership in Sullivan, MO. Car started bucking and acting the fool. Check Stabil Trak warning came on and ABS/Traction control, Tach all shut down. Driveability was going progressively worse.

The car is in back, 800 miles on it... first warranty complaint.

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post #6 of 14 Old 05-23-2014, 04:06 PM Thread Starter
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Thanks all....

Sadly it appears it is more than all of this. Made it to Northern Missouri and sitting at a dealership in Sullivan, MO. Car started bucking and acting the fool. Check Stabil Trak warning came on and ABS/Traction control, Tach all shut down. Driveability was going progressively worse.

The car is in back, 800 miles on it... first warranty complaint.
Update...

Error code shows Crank Angle Sensor. Can't get one until tomorrow morning. (Saturday)

So I'm dead in the water, sitting in a hotel.

4510
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post #7 of 14 Old 05-24-2014, 04:59 AM
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Update...

Error code shows Crank Angle Sensor. Can't get one until tomorrow morning. (Saturday)

So I'm dead in the water, sitting in a hotel.
Ouch, sorry to hear, this happened.. this rarely happens, first for me, to hear that happen..hope they get you out the door today & back on the road + Happy Memorial day



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post #8 of 14 Old 05-24-2014, 05:55 AM Thread Starter
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Ouch, sorry to hear, this happened.. this rarely happens, first for me, to hear that happen..hope they get you out the door today & back on the road + Happy Memorial day
Thanks.. must be a Memorial Day thing... there is a guy over on Camaro5 with the exact same symptom (Servce Stabil Trak) error message that I got.

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post #9 of 14 Old 05-24-2014, 11:57 PM Thread Starter
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Crank angle sensor was cracked and seeped oil into electrical connection. New sensor, cleaned connection and car runs fine. All under warranty.

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post #10 of 14 Old 05-25-2014, 04:27 AM
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Crank angle sensor was cracked and seeped oil into electrical connection. New sensor, cleaned connection and car runs fine. All under warranty.
Great news, back on the road... enjoy the rest of your holiday weekend



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