CAMARO6 - View Single Post - Lost power but still running, FF Sensor, Ignition coil-Solved? Kinda.

laynlo15 · 09-05-2023, 03:09 PM

It would barely run like all the coils on that side are dead. I just saw a Lt4 Corvette guy on that forum who had the exact same thing just happen. He pulled the Fuse box and checked all the pins and found out some were dirty, cleaned it up and put it back together, runs just fine now. I think it could be a ground, a buddy of mine where we dyno had this happen when he put his 2300 on, all four coils on bank 2 were not firing. He hooked up another ground from the lug by the fuse box and ran a ground wire to the head. Fired right up and ran great after the ground wire. Its not just one coil, I've had those go bad before and it always ran with just a miss, this baby won't run hardly at all, could barely get it above idle to get it to the dealer, same with the Corvette guy as he could barely keep his running.

Here is his post on the Corvette forum.

p135b - Ignition Coil Supply Voltage Bank 2

The car barely runs. It feels like it's running on 4 cylinders which may make sense if Bank 2 isn't getting any voltage. I checked the fuses and they're fine. I'm at a loss of where to look for what. Any suggestions?

Thanks guys. Figured it out. There was a poor connection between the main fuse block and the harnesses under it. Cleaned up the pins and the problem seems to be solved. Kinda a mystery as to why this is the case. The car has 20k miles and has never even been in the rain. But whatever, it’s running strong again.

09-05-2023, 03:09 PM	#4
laynlo15 Drives: 2022 Lt1 A10 Join Date: Nov 2015 Location: clark, mo Posts: 8,882	It would barely run like all the coils on that side are dead. I just saw a Lt4 Corvette guy on that forum who had the exact same thing just happen. He pulled the Fuse box and checked all the pins and found out some were dirty, cleaned it up and put it back together, runs just fine now. I think it could be a ground, a buddy of mine where we dyno had this happen when he put his 2300 on, all four coils on bank 2 were not firing. He hooked up another ground from the lug by the fuse box and ran a ground wire to the head. Fired right up and ran great after the ground wire. Its not just one coil, I've had those go bad before and it always ran with just a miss, this baby won't run hardly at all, could barely get it above idle to get it to the dealer, same with the Corvette guy as he could barely keep his running. Here is his post on the Corvette forum. p135b - Ignition Coil Supply Voltage Bank 2 The car barely runs. It feels like it's running on 4 cylinders which may make sense if Bank 2 isn't getting any voltage. I checked the fuses and they're fine. I'm at a loss of where to look for what. Any suggestions? Thanks guys. Figured it out. There was a poor connection between the main fuse block and the harnesses under it. Cleaned up the pins and the problem seems to be solved. Kinda a mystery as to why this is the case. The car has 20k miles and has never even been in the rain. But whatever, it’s running strong again.