any help
#2
TECH Enthusiast
Join Date: May 2005
Location: Charlotte, NC
Posts: 669
Likes: 0
Received 0 Likes
on
0 Posts
#7
Teching In
Thread Starter
Join Date: Aug 2005
Location: long island n. y.
Posts: 17
Likes: 0
Received 0 Likes
on
0 Posts
![Default](https://ls1tech.com/forums/images/icons/icon1.gif)
also tryed a lap top with correct software. was doing tests from the link u sent me and no injector pulse, is it the opto spark or will that work with no com. with pcm
Trending Topics
#8
TECH Enthusiast
Join Date: May 2005
Location: Charlotte, NC
Posts: 669
Likes: 0
Received 0 Likes
on
0 Posts
![Default](https://ls1tech.com/forums/images/icons/icon1.gif)
Continue with the testing. no comm doesn't always mean that there will be a drivability issue. I would however think about checking teh ign, PCM and PCM batt fuses...
#9
TECH Enthusiast
Join Date: Sep 2004
Location: Clarksville,Tn
Posts: 595
Likes: 0
Received 0 Likes
on
0 Posts
![](https://ls1tech.com/forums/images/ranks/ls1tech10year.png)
![Default](https://ls1tech.com/forums/images/icons/icon1.gif)
Mine was acting similar to this a while back and it ended up being a couple of legs broke loose on the sockets that I soldered to the boards in the ecm. Actually, mine would idle but not rev, then it got to where it wouldn't start. I figured it out by accidentally bumping the ecm while under the hood. Everytime I bumped it it would run different or start/not start. Could be yer problem since it's a reman. Oh yeah, I also had no com during all this.
#10
Teching In
Thread Starter
Join Date: Aug 2005
Location: long island n. y.
Posts: 17
Likes: 0
Received 0 Likes
on
0 Posts
![Default](https://ls1tech.com/forums/images/icons/icon1.gif)
hbh thanks. computer was not flashed ,some people say car should start with no computer at all or unflashed. i cant see how when the injector wires go rite to computer. and if computer is not flashed, its like having a computer with no windows,usless. sent mine out to have it flashed teck said it was wrong part he said its 94 95 gm #88961150
#11
TECH Enthusiast
Join Date: May 2005
Location: Charlotte, NC
Posts: 669
Likes: 0
Received 0 Likes
on
0 Posts
![Default](https://ls1tech.com/forums/images/icons/icon1.gif)
Remaned PCM's will come with the most current programing available. It's possible that you did get teh wrong one however. Generaly there are about 3 diff part numbers that will come up and then needs to be narrowed down with the factory serial number.
#12
Teching In
Thread Starter
Join Date: Aug 2005
Location: long island n. y.
Posts: 17
Likes: 0
Received 0 Likes
on
0 Posts
![Default](https://ls1tech.com/forums/images/icons/icon1.gif)
hbh thanks it turns out last owner had it set up obd1 thats y no pcm com., and the opta spark was the problem. installed reman opta car starts will not idle, if i keep it running about 1500 rpm as soon as it gets hot it shuts down and will not restart till it cools down ?