Hesitation, Jerking, Bucking At Start-up Only - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

njweatherman · 06-28-2013, 04:09 PM

I have a 2013 ss automatic camaro with less than 1,000 miles on it. Ever since I got the car, I sometimes notice that when I first start the car up and give it some gas, the car hesitates, jerks and bucks. This either happens in drive or in reverse.

However, the hesitation, bucking, jerking, etc. immediately stops once I get going and does not come back. It seems to only happen during the first start-up of the day.

Anyone else have this?

meshamey · 06-28-2013, 05:07 PM

Thats normal on my 2011 ss, been like that form day 1, till it warms up

njweatherman · 06-28-2013, 05:43 PM

Thanks for the input. I was worried something was wrong.

meshamey · 06-28-2013, 07:44 PM

It is possible If the car is that new, im sure dealership put 87 octane gas in it.. that's a big NO NO. have you been putting 91 or 93 octane in it? you may need to do the fuse pull to get the computer out of low octane mode. Just do a search on fuse pull..

TheHorse13 · 06-29-2013, 07:03 AM

This is perfectly normal and has nothing to do with the fuel in the car.

The sensors throughout the car do not communicate with the computer control module until a certain temp is reached. As a result, you get the hesitation for the first few minutes of operation.

This is well documented here on the site. Sift around through some of the older posts and you'll find additional info.

njweatherman · 06-30-2013, 01:01 PM

@meshamey - I only use 93 octane and I went with the dealer to the gas station when they filled the car with 93 octane.
@TheHorse13 - good info. I mentioned it to the dealer and they had no idea what was causing it.

jethrobandit · 07-01-2013, 09:58 AM

I was searching through the site looking for threads on this issue and glad to find something current. I have this issue on an M6 and figured it was due to it not being warm, but wanted to find out for sure. Have a CAI on it and wondered if new throttle body would improve it, but if its the computer, not much will help that I assume.

TheHorse13 · 07-01-2013, 01:13 PM

Nothing will improve it. This is how the electronics on the car are designed to work.

suzook · 07-01-2013, 01:41 PM

Remote start it like I do....only needs a 1min warmup...then all is good!

Sftshldr · 07-01-2013, 06:55 PM

I put my DIC to coolant temp and wait till 160 F. This seems to keep the engine and me happy.

suzook · 07-01-2013, 08:08 PM

Quote:

Originally Posted by Sftshldr

I put my DIC to coolant temp and wait till 160 F. This seems to keep the engine and me happy.

Your dic at 160??? Ouch!

Rhyder · 07-01-2013, 08:10 PM

hmmm...I always just crank and go, and I don't believe I have ever experienced this, I have a 2012 Auto, is this a 2013 thing?

njweatherman · 07-04-2013, 02:23 PM

@jethrobandit - if you decide to get a throttle body, let me know what one you get and if you see an improvement. I'm taking mine to the dealer once I approach 3000 miles so they can test everything.

dixonk · 07-04-2013, 02:27 PM

The VMAX throttle body does not do anything for this. I have it as well going in reverse. Only way around it is let it run for about 30-60 seconds.

06-28-2013, 04:09 PM	#1
njweatherman Drives: 2018 Camaro 2SS, redline edition Join Date: Jun 2013 Location: Hackettstown, NJ Posts: 209	Hesitation, Jerking, Bucking At Start-up Only I have a 2013 ss automatic camaro with less than 1,000 miles on it. Ever since I got the car, I sometimes notice that when I first start the car up and give it some gas, the car hesitates, jerks and bucks. This either happens in drive or in reverse. However, the hesitation, bucking, jerking, etc. immediately stops once I get going and does not come back. It seems to only happen during the first start-up of the day. Anyone else have this?

07-01-2013, 01:41 PM	#9
suzook Drives: camaro Join Date: May 2013 Location: Stony Brook,NY Posts: 1,756	Remote start it like I do....only needs a 1min warmup...then all is good! __________________ 2016 2SS,A8,NAV,NPP,MAG Ride,Sunroof Hyperblue/JetBlack

07-01-2013, 06:55 PM	#10
Sftshldr Beast Rider Drives: 2017 ZL1 BLK A10 Join Date: Feb 2013 Location: Montgomery, AL. Posts: 293 View My Garage	I put my DIC to coolant temp and wait till 160 F. This seems to keep the engine and me happy. __________________ *"Just looking fast* is sometimes all it takes!!!"**

06-28-2013, 05:07 PM	#2
meshamey Meshamey Drives: 2011 Camaro 2SS / 2014 Camaro ZL1 Join Date: Apr 2013 Location: Panama City, Florida Posts: 303 View My Garage	Thats normal on my 2011 ss, been like that form day 1, till it warms up

06-28-2013, 05:43 PM	#3
njweatherman Drives: 2018 Camaro 2SS, redline edition Join Date: Jun 2013 Location: Hackettstown, NJ Posts: 209	Thanks for the input. I was worried something was wrong.

06-28-2013, 07:44 PM	#4
meshamey Meshamey Drives: 2011 Camaro 2SS / 2014 Camaro ZL1 Join Date: Apr 2013 Location: Panama City, Florida Posts: 303 View My Garage	It is possible If the car is that new, im sure dealership put 87 octane gas in it.. that's a big NO NO. have you been putting 91 or 93 octane in it? you may need to do the fuse pull to get the computer out of low octane mode. Just do a search on fuse pull..

06-29-2013, 07:03 AM	#5
TheHorse13 Drives: 2011 Black SS M6 Join Date: Oct 2010 Location: Harpers Ferry, WV Posts: 1,116	This is perfectly normal and has nothing to do with the fuel in the car. The sensors throughout the car do not communicate with the computer control module until a certain temp is reached. As a result, you get the hesitation for the first few minutes of operation. This is well documented here on the site. Sift around through some of the older posts and you'll find additional info.

06-30-2013, 01:01 PM	#6
njweatherman Drives: 2018 Camaro 2SS, redline edition Join Date: Jun 2013 Location: Hackettstown, NJ Posts: 209	@meshamey - I only use 93 octane and I went with the dealer to the gas station when they filled the car with 93 octane. @TheHorse13 - good info. I mentioned it to the dealer and they had no idea what was causing it.

07-01-2013, 09:58 AM	#7
jethrobandit Drives: 2013 Black 2SS Join Date: Feb 2013 Location: Hendersonville, TN Posts: 77	I was searching through the site looking for threads on this issue and glad to find something current. I have this issue on an M6 and figured it was due to it not being warm, but wanted to find out for sure. Have a CAI on it and wondered if new throttle body would improve it, but if its the computer, not much will help that I assume.

07-01-2013, 01:13 PM	#8
TheHorse13 Drives: 2011 Black SS M6 Join Date: Oct 2010 Location: Harpers Ferry, WV Posts: 1,116	Nothing will improve it. This is how the electronics on the car are designed to work.

07-01-2013, 08:10 PM	#12
Rhyder Drives: 2012 45 Anniversary Vert Join Date: Apr 2012 Location: atlanta Posts: 2,511	hmmm...I always just crank and go, and I don't believe I have ever experienced this, I have a 2012 Auto, is this a 2013 thing?

07-04-2013, 02:23 PM	#13
njweatherman Drives: 2018 Camaro 2SS, redline edition Join Date: Jun 2013 Location: Hackettstown, NJ Posts: 209	@jethrobandit - if you decide to get a throttle body, let me know what one you get and if you see an improvement. I'm taking mine to the dealer once I approach 3000 miles so they can test everything.

07-04-2013, 02:27 PM	#14
dixonk Drives: 2011 Audi Q7 Join Date: Mar 2013 Location: Elk Grove, CA Posts: 1,084	The VMAX throttle body does not do anything for this. I have it as well going in reverse. Only way around it is let it run for about 30-60 seconds.