2012 camaro intermittent engine dies - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

wingman51 · 11-08-2021, 02:38 PM

this is my first post as a new member of this site. I was given a 2012 camaro because it was a problem child for the lady that owned it and she just got tired of no one being able to fix the problem it was having. the lady said the car would run fine in the city but it had the problem of the engine (occasionally) shutting down at interstate speeds. She would coast to the side of the highway an sit for about 20 minutes and the car would start up and she could continue her trip. Sometimes it would go for days before it would act up again and sometimes it would shut down later on down the highway. The car has sat unused since 2017 but it started up after fresh gas and a battery charge. The car has 140k miles and a 4 cam v-6 engine. There are no error codes logged to read. I am a retired aircraft mechanic of 41 years and have always loved to work on cars. I'm looking for some ideas on where to start troubleshooting this problem. Any help would be greatly appreciated.

gtstorey · 11-08-2021, 02:50 PM

A data logger of some type like HP Tuners or a Tech2 clone would likely pinpoint the problem pretty quickly. My guess would be a fuel or wiring issue.

KaBoom1701 · 11-08-2021, 02:58 PM

I bet $20 it's a fuel pump going bad but I agree get a data logger and just leave it plugged in so you capture the next event when it shuts down.

George-CZ · 11-08-2021, 03:01 PM

Quote:

Originally Posted by gtstorey

A data logger of some type like HP Tuners or a Tech2 clone would likely pinpoint the problem pretty quickly. My guess would be a fuel or wiring issue.

I agree with you.
Basic procedures such as checking the fuel pressure before starting, and more detailed check of the wiring in typical places could solve the problem.

1JEWLDSSRS · 11-08-2021, 05:40 PM

Quote:

Originally Posted by gtstorey

A data logger of some type like HP Tuners or a Tech2 clone would likely pinpoint the problem pretty quickly. My guess would be a fuel or wiring issue.

This would be your best bet to find out what's up. Good luck..

1JEWLDSSRS · 11-08-2021, 05:42 PM

Quote:

Originally Posted by KaBoom1701

I bet $20 it's a fuel pump going bad but I agree get a data logger and just leave it plugged in so you capture the next event when it shuts down.

And this would be what I would do to "catch" it.. Then go from there. I'm thinking it is a fuel issue with the pump because it sat for so long.Maybe the connections at the pump causing it to be intermittent.

redcoats1976 · 11-08-2021, 05:46 PM

i would do the fuel pump first just cause i hate electrical problems...price was right...pics?

Aqua Blue RS/SS · 11-08-2021, 05:56 PM

I’ve seen crank position sensors cause this exact problem and not throw a code.

wingman51 · 11-08-2021, 09:49 PM

I checked the fuel pressure while the engine was running at idle and it was at 44psi. It didn't change as i revved up the engine. I am going to take it on a test drive tomorrow and see what the fuel pressure does if i can get the engine to die. I'll see if I can get my hands on a data logger too.

11-08-2021, 02:38 PM	#1
wingman51 Drives: 2012 camaro v6 Join Date: Jul 2021 Location: Slidell, La. Posts: 2	2012 camaro intermittent engine dies this is my first post as a new member of this site. I was given a 2012 camaro because it was a problem child for the lady that owned it and she just got tired of no one being able to fix the problem it was having. the lady said the car would run fine in the city but it had the problem of the engine (occasionally) shutting down at interstate speeds. She would coast to the side of the highway an sit for about 20 minutes and the car would start up and she could continue her trip. Sometimes it would go for days before it would act up again and sometimes it would shut down later on down the highway. The car has sat unused since 2017 but it started up after fresh gas and a battery charge. The car has 140k miles and a 4 cam v-6 engine. There are no error codes logged to read. I am a retired aircraft mechanic of 41 years and have always loved to work on cars. I'm looking for some ideas on where to start troubleshooting this problem. Any help would be greatly appreciated.

11-08-2021, 02:58 PM	#3
KaBoom1701 KaBoom1701 Drives: 13' ZL1 Red M6 Join Date: Dec 2012 Location: I.E. SoCal (Yucaipa) Posts: 8,630	I bet $20 it's a fuel pump going bad but I agree get a data logger and just leave it plugged in so you capture the next event when it shuts down. __________________ Mods: Roto-Fab Intake, WW Res. kit & Big Gulp Air Scoop, Elite Catch Can, ATI Super Damper & 18% OD Pulley, LF Idler pulley bracket, Metco CC breather, ID850 Injectors, Stainless Power Headers w/ ceramic coating, TR71X Spark Plugs, JMS Fuel Pump Booster, Bo White TB, Tuned by Ted @ Jannetty Racing, Ron Davis HX, D3 Reservoir, Pfadt 1" Springs, Moreno Camber Plates, ZL1 Addons Splitter guard washers, Tow Hook kit & rock guards, Hurst Shifter Billet Plus 6 Speed Short Shifter, ZL1 DRL lighting harness, ZL1 Recaro Seats.

11-08-2021, 05:56 PM	#8
Aqua Blue RS/SS Drives: ABM #93 Join Date: Oct 2018 Location: Lotaburger Posts: 2,696	I’ve seen crank position sensors cause this exact problem and not throw a code. __________________ ABM #2399 2SS/RS:SOLD ABM #93 2SS/RS Black Rally stripes, Titanium Interior 4,000 miles: GM GFX side skirts and diffuser waiting on paint, GM dovetail, GM heritage, RPI ZL1 style splitter. ‘87 IROC-Z Iroc blue. all original unmolested with 50K miles.

11-08-2021, 02:50 PM	#2
gtstorey Drives: 2010 Camaro SS2,L99, LSA SC Join Date: Aug 2017 Location: Huntsville, AL Posts: 2,155	A data logger of some type like HP Tuners or a Tech2 clone would likely pinpoint the problem pretty quickly. My guess would be a fuel or wiring issue.

11-08-2021, 05:46 PM	#7
redcoats1976 Drives: LT W/2LT,blue metallic Join Date: Jul 2016 Location: central florida Posts: 4,915	i would do the fuel pump first just cause i hate electrical problems...price was right...pics?

11-08-2021, 09:49 PM	#9
wingman51 Drives: 2012 camaro v6 Join Date: Jul 2021 Location: Slidell, La. Posts: 2	I checked the fuel pressure while the engine was running at idle and it was at 44psi. It didn't change as i revved up the engine. I am going to take it on a test drive tomorrow and see what the fuel pressure does if i can get the engine to die. I'll see if I can get my hands on a data logger too.