LT-1 randomly dies.....
Thread Starter
Registered User
Joined: Apr 2003
Posts: 551
From: HOUSTON, TX
LT-1 randomly dies.....
Need some help guys. My car is randomly just dying. It usually happens at low rpm. I'll be driving and it will just cut out. When I try to start it it's like it has no spark, but if you play with the coil wire, it will start up, then die 100 ft down the road. So I replace the coil wire today and it is still doing it. The SES light hasn't come on yet, so I don't know where to start. I tried to get it scanned at Autozone and they said they couldn't scan it unless the car was OBD II. Any suggestions? I love the car, but I'm fed up with it.
Thread Starter
Registered User
Joined: Apr 2003
Posts: 551
From: HOUSTON, TX
If the coil was bad, wouldn't it be bad through all RPM ranges? If the car is running, I can take it above 2000-2400 and not have any problems at all. Your probably right though, it's only $30, I should just do it. Could this be the EGR valve? how hard is it to remove from the system? Is it worth it?
Registered User
Joined: Jan 2003
Posts: 23
From: N. Augusta SC
Here is something you may want to try, I was having the same
problem and while the car was idling in the driveway I started
wiggling wires , When I moved the wire that goes to the ICM
module the engine died , I restarted the engine and moved the
wire and same thing happened .
I adjusted the contacts on the plug and it lasted for 3 months and
started again. Finely soldered wires to the module and have not
had any more trouble.
Doesn't cost to try this either.
Dave B
problem and while the car was idling in the driveway I started
wiggling wires , When I moved the wire that goes to the ICM
module the engine died , I restarted the engine and moved the
wire and same thing happened .
I adjusted the contacts on the plug and it lasted for 3 months and
started again. Finely soldered wires to the module and have not
had any more trouble.
Doesn't cost to try this either.
Dave B
Registered User
Joined: Jan 2003
Posts: 23
From: N. Augusta SC
Lt1 randomly dies
1965GP
Sorry I lost the thread and could not find it, someone showed
me how to locate it.
You have probably have found where its located by now, if not,
its located on a metal plate that the coil is mounted to, the icm
is setting just above the coil . Its a small black thingy with a
four wire plug on it , with the engine running just wiggle this
wire to see if its the trouble. ( coil and icm is on front of ds
head , just follow the coil wire from the opti)
Good luck, and let us know what you find.
Dave B
Sorry I lost the thread and could not find it, someone showed
me how to locate it.
You have probably have found where its located by now, if not,
its located on a metal plate that the coil is mounted to, the icm
is setting just above the coil . Its a small black thingy with a
four wire plug on it , with the engine running just wiggle this
wire to see if its the trouble. ( coil and icm is on front of ds
head , just follow the coil wire from the opti)
Good luck, and let us know what you find.
Dave B
Registered User
Joined: Dec 1969
Posts: 27,728
From: Little Rock, AR
Originally posted by 1965GP
Sounds like a great idea. I'm new to the 4th gens, where is this on the car? I think it has to be something like this since it's so erratic.
Sounds like a great idea. I'm new to the 4th gens, where is this on the car? I think it has to be something like this since it's so erratic.
Nice car collection.
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