Can't start car/keep it running
04-06-2010, 03:03 PM
#1
TECH Enthusiast
Thread Starter
iTrader: (7)
Join Date: Sep 2008
Location: Orange County
Posts: 526
Likes: 0
Received 0 Likes
on
0 Posts
Can't start car/keep it running Has a brand new forged motor with heads & cam. Motor hasn't even been broken in yet. It's only been driven short distances and ran decent up until recently. We tuned it slightly using HP Tuners, but didn't have a wideband at the time and could only do so much. Now it's nearly impossible to get it to start, and when it does, it won't stay running. Ideas?
04-06-2010, 03:58 PM
#3
TECH Enthusiast
Thread Starter
iTrader: (7)
Join Date: Sep 2008
Location: Orange County
Posts: 526
Likes: 0
Received 0 Likes
on
0 Posts
I forgot to mention we just put in new TR55s. I was able to get it started and keep it running enough to get some codes. There were 2 for random and multiple misfires, so I've got somewhere to begin now.
04-07-2010, 11:31 PM
#6
TECH Enthusiast
Thread Starter
iTrader: (7)
Join Date: Sep 2008
Location: Orange County
Posts: 526
Likes: 0
Received 0 Likes
on
0 Posts
So we pulled my plugs and found out my LS1 had become a 4-cylinder. The plugs from Bank 1 looked just as they should. The plugs from Bank 2 looked brand new. A fuse blew and only the injectors on Bank 1 were firing... but the motor has such high compression it was running anyway. I was way stoked 
Also got some basic tuning done. I'll post back when we get the wideband hooked up and give it a real tune.
Also got some basic tuning done. I'll post back when we get the wideband hooked up and give it a real tune.