strong throttle dead spot/bucking - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

95celgt · 01-28-2018, 04:59 AM

Hey guys,

my 2014 1LE sat in the garage for December and when I brought it back up to central texas my xpipe slipped off of my longtubes on one side some how. Got it to the shop and pushed the exhaust back on an tightened the clamps back on. however while the exhaust leak was present and now still after I noticed a huge dead spot around 20-40% throttle with heavy hesitation like I can hold it and it hits a brick wall and power intermittently comes back on like a sputter but completely throttle or ignition related. Car has 35K miles and closest thing I can relate this to is as if my opti spark is intermittently working on my old lt1. once you go past the 40% throttle power comes back on hard with no hesitation whatsoever. car idles perfect.

car has a bo white ported throttle body and full stainless works exhaust.
pat g tune....car ran perfect for over a year until this happened.

could it be the TPS??

appleman22 · 01-28-2018, 06:32 AM

Sound like a bad throttle body if I had to guess

bkscott · 02-04-2018, 11:30 AM

Throttle position sensor on the gas pedal......mine would buck and jerk under hard acceleration. bought a new one and no problem since......

camguynj · 02-04-2018, 11:44 AM

Quote:

Originally Posted by bkscott

Throttle position sensor on the gas pedal......mine would buck and jerk under hard acceleration. bought a new one and no problem since......

Did you get any CEL? Did you have the problem before or after you put on the VTC?

Jayjellyfish212 · 02-04-2018, 04:38 PM

I would Look into the throttle position sensor and the mass air flow sensor for issues. Just to be sure since you had exhaust issue I would look over the oxygen sensors too.

bkscott · 02-04-2018, 06:13 PM

It was not the VTC it was a bad pedal sensor, even before I had the VTC it would do that....no cells were thrown till i added the vtc....

95celgt · 02-11-2018, 09:07 PM

it was indeed the throttle body that went out at 35K miles -_- , thanks everyone!

01-28-2018, 04:59 AM	#1
95celgt Drives: 2014 1LE 2SS coupe Join Date: Apr 2012 Location: laredo,tx Posts: 63	strong throttle dead spot/bucking Hey guys, my 2014 1LE sat in the garage for December and when I brought it back up to central texas my xpipe slipped off of my longtubes on one side some how. Got it to the shop and pushed the exhaust back on an tightened the clamps back on. however while the exhaust leak was present and now still after I noticed a huge dead spot around 20-40% throttle with heavy hesitation like I can hold it and it hits a brick wall and power intermittently comes back on like a sputter but completely throttle or ignition related. Car has 35K miles and closest thing I can relate this to is as if my opti spark is intermittently working on my old lt1. once you go past the 40% throttle power comes back on hard with no hesitation whatsoever. car idles perfect. car has a bo white ported throttle body and full stainless works exhaust. pat g tune....car ran perfect for over a year until this happened. could it be the TPS??

02-04-2018, 11:30 AM	#3
bkscott Drives: 2010 Camaro 2SS/RS Join Date: Dec 2009 Location: Grand Prairie, Texas Posts: 1,608 View My Garage	Throttle position sensor on the gas pedal......mine would buck and jerk under hard acceleration. bought a new one and no problem since...... __________________ 94 Firebird Formula (Drowned 08/30/05) 2010 IBM 2SS/RS 6M Arrived 3/25/10. ADM CAI, Borla Type S Cat Back, VMAX Ported TB, LG Short Throw Shifter, 1LE Shocks, Hotchkis Sway Bars, Whiteline Cradle Bushing Inserts, Custom Powdercoated ZL1's ,Michelin Pilot Supersports, Stainless Power Headers, Solo J Pipes, AAC LED Sidemarkers, ZL1 Rockers, SLP Splitter, ADM Stage II Cam,ZL1 Diffuser,Vitesse Throttle Controller.

02-04-2018, 04:38 PM	#5
Jayjellyfish212 Drives: 2014 1LE Join Date: Aug 2015 Location: Upstate NY Posts: 2,050 View My Garage	I would Look into the throttle position sensor and the mass air flow sensor for issues. Just to be sure since you had exhaust issue I would look over the oxygen sensors too. __________________ Car mods: never enough!

02-04-2018, 06:13 PM	#6
bkscott Drives: 2010 Camaro 2SS/RS Join Date: Dec 2009 Location: Grand Prairie, Texas Posts: 1,608 View My Garage	It was not the VTC it was a bad pedal sensor, even before I had the VTC it would do that....no cells were thrown till i added the vtc.... __________________ 94 Firebird Formula (Drowned 08/30/05) 2010 IBM 2SS/RS 6M Arrived 3/25/10. ADM CAI, Borla Type S Cat Back, VMAX Ported TB, LG Short Throw Shifter, 1LE Shocks, Hotchkis Sway Bars, Whiteline Cradle Bushing Inserts, Custom Powdercoated ZL1's ,Michelin Pilot Supersports, Stainless Power Headers, Solo J Pipes, AAC LED Sidemarkers, ZL1 Rockers, SLP Splitter, ADM Stage II Cam,ZL1 Diffuser,Vitesse Throttle Controller.

01-28-2018, 06:32 AM	#2
appleman22 Drives: 2017 1ss 1le Join Date: Sep 2015 Location: new york Posts: 436	Sound like a bad throttle body if I had to guess

02-11-2018, 09:07 PM	#7
95celgt Drives: 2014 1LE 2SS coupe Join Date: Apr 2012 Location: laredo,tx Posts: 63	it was indeed the throttle body that went out at 35K miles -_- , thanks everyone!