help car still dies...
Thread Starter
On The Tree
Joined: Jan 2006
Posts: 111
Likes: 0
From: Fort Collins, CO
help car still dies... just got done replacing the icm and i am having the same problem still. the car will just shut off after about 20 mins of running and will not start again for a few hours. when it dies its like i turned the key, it dosent hesitate at all it just stops. anyone have some suggestions??
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On The Tree
Joined: Jan 2006
Posts: 111
Likes: 0
From: Fort Collins, CO
pulled no codes, crankshaft position sensor? any ways to test this, because i am gettin tired of throwing parts at the car.... just would like to test it before i buy a new one if i can
Thread Starter
On The Tree
Joined: Jan 2006
Posts: 111
Likes: 0
From: Fort Collins, CO
i have heard that lt1's prior to 96 did not have a cps... also once in a while when i try to start my car back up after it dies the tach will do some wierd things like jump up to 2000 and then go back down... if that helps any
Sounds like yours is either an opti going bad, or a bad connection somewhere.
Whats up with the jet tuning? Does that connect on top of the computer inside the engine bay? That is exposed to the elements, I'd take a look there if that is the case.
Sounds like an electrical problem either way though.
Sounds like an electrical problem either way though.
Thread Starter
On The Tree
Joined: Jan 2006
Posts: 111
Likes: 0
From: Fort Collins, CO
alright, i know it has to have something to do with going into closed loop. it is fine when its cold and when it warms up, even if its just from the sun it will die... i cant figure out what would be doing this.... what would shut off the engine in closed loop if it was going bad?
If the coolant temp is too high, fuel is cut off. Possibly bad ECT sensor? I'm not really sure how those work when they go bad. Maybe someone can shed some light on that. :cough: Ed :Cough:
When it doesn't start, you need to check for injector pulse with a 'noid light, and check for spark. My guess is you don't have spark for some reason. Why? It's too hard to say. Can't really diagnose stuff over the internet. Especially with no real information.
