Car dies randomly
Thread Starter
Pro
Joined: Sep 2006
Posts: 518
Likes: 7
Car dies randomly
A few months back had the same problem where car would just die while driving and wouldn't start back. After it dies and I push the start button everything goes black and the about 10 seconds later the dsh lights back up but engine doesn't crank at all.I've spent close to $3,000 on this now for the dealer to change out parts hoping its fixed. Seriously I'm so done with GM and the crap they produce!
Team Owner
Joined: Jun 2005
Posts: 46,295
Likes: 2,596
From: Northern, VA
St. Jude Donor '15
"In honor of jpee"
what year is your wonder-wagon, and what have they replaced? I would think by now, if you've had many parts replaced/trips made to the dealer, they would have called in the team from Detroit to help diagnose it. have they? 
Tolero Apto Victum
Joined: Jul 2007
Posts: 9,669
Likes: 37
From: Woodlands TX
Sir, I am not saying that this is the problem, but my GF's car was doing the same thing and after a lot of investigating they found out it was the mass air flow sensor. Just something to think about.
Good Luck!
Good Luck!
Thread Starter
Pro
Joined: Sep 2006
Posts: 518
Likes: 7
Its an 07 Z51 MN6 Supercharged. They're replaced fuse box under hood, BCM, Batter, Starter and Solenoid, battery cables. It went away for like 2 months after the starter, solenoid and BCM change, but clearly those either weren't whats wrong or they are gone again....I saw a post on LS2.com forum about the battery terminal and its behaving exactly the same as what that guys car is doing but they changed the terminals and everything and its still doing it. Could it be the alternator? I tried disconnecting the alternator and it still won't crank.
Melting Slicks
Joined: Aug 2007
Posts: 2,641
Likes: 80
From: Florida
A few months back had the same problem where car would just die while driving and wouldn't start back. After it dies and I push the start button everything goes black and the about 10 seconds later the dsh lights back up but engine doesn't crank at all.I've spent close to $3,000 on this now for the dealer to change out parts hoping its fixed. Seriously I'm so done with GM and the crap they produce!
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Take it to the next level of GM's customer service, keep going until someone listens and reacts, Good Luck, 
Race Director
Joined: Mar 2010
Posts: 15,986
Likes: 817
Its an 07 Z51 MN6 Supercharged. They're replaced fuse box under hood, BCM, Batter, Starter and Solenoid, battery cables. It went away for like 2 months after the starter, solenoid and BCM change, but clearly those either weren't whats wrong or they are gone again....I saw a post on LS2.com forum about the battery terminal and its behaving exactly the same as what that guys car is doing but they changed the terminals and everything and its still doing it. Could it be the alternator? I tried disconnecting the alternator and it still won't crank.
I do apologize that you are having continued trouble on your vehicle. I see that you have had a lot of work done on this issue. Was this work done at the dealership? If so, have you contacted them to see if they were going to take care of this problem being it is acting up still? I will be happy to look further into this situation if you would like. Please send me a private message with the following:
First and Last Name:
Contact Number:
VIN:
Geoff Allen
Chevrolet Customer Service
Le Mans Master
Joined: Oct 2000
Posts: 6,473
Likes: 706
From: Sausalito CA
Reads like "something" is killing all power.
A lead seems to be the dash also goes dark.
Even if you press the start button, to turn off the Vette, the dash lights remain on.
Battery has been looked at, yet a cable coming off (simply definition) would kill every function.
BCM or other module seems a good place to start again. Loose/ broken connector there?
Luck and forum is with you.
A lead seems to be the dash also goes dark.
Even if you press the start button, to turn off the Vette, the dash lights remain on.
Battery has been looked at, yet a cable coming off (simply definition) would kill every function.
BCM or other module seems a good place to start again. Loose/ broken connector there?
Luck and forum is with you.
Thread Starter
Pro
Joined: Sep 2006
Posts: 518
Likes: 7
Hey Geoff/All,
Well got it towed back to the dealership and told them that I'm disappointed that I have to keep paying them to change things that don't fix the problem and that I was nervous about the same thing recuring. They said they understand and will consider that when its fixed. So I'll let you all know as soon as I know more. Great to have this kind of support. Thanks guys!
Well got it towed back to the dealership and told them that I'm disappointed that I have to keep paying them to change things that don't fix the problem and that I was nervous about the same thing recuring. They said they understand and will consider that when its fixed. So I'll let you all know as soon as I know more. Great to have this kind of support. Thanks guys!
Le Mans Master
Joined: Aug 2007
Posts: 7,250
Likes: 6
From: Glassboro New Jersey
Hope they stand behind their work and take care of you.
You should not have to pay for them to keep replacing parts if they can't properly diagnose it. Sounds like they are just throwing darts and hope something will stick. They need to repair it at no additional diagnostic time to you if you continue to have the same problem. You already paid for their improper diagnosis.
Hope it gets resolved. Post the results.
You should not have to pay for them to keep replacing parts if they can't properly diagnose it. Sounds like they are just throwing darts and hope something will stick. They need to repair it at no additional diagnostic time to you if you continue to have the same problem. You already paid for their improper diagnosis.
Hope it gets resolved. Post the results.
Thread Starter
Pro
Joined: Sep 2006
Posts: 518
Likes: 7
Update:Ive finally got my car back and it's running great so far. The shop changed ECM but they think it was the grounds wires they found that were loose to be the problem. So at this point I think its fixed. I'll update this again if it acts up again. I just hope this will save someone else the thousands I've had to spend to get this fix.
Melting Slicks
Joined: Aug 2006
Posts: 2,409
Likes: 129
From: Fairview Heights IL
I was thinking "grounding" as I read each post. It would take a bit of work to put together a complete listing of all C6 grounds, but there do seem to be enough "bucket full of gremlins" complaints to warrant having one in the FAQ for reference and troubleshooting.