LT1/LT4 Tech 1993-1997

94 Z28 LT1 runs when cold, shuts off when hot

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Old Feb 7, 2010 | 11:46 AM
  #21  
wicked94z28's Avatar
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Sorry for no update guys....we got a big snow storm and I cant get the Maro to the garage(its snowd in!!) so0o0 soon as I get the chance im going to try letting it get hot and shut off and try the spark because I read up a bunch, and alot of you seem to think its the ICM...so wish me luck...i will update asap with result!
 
Old Feb 8, 2010 | 07:12 AM
  #22  
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Originally Posted by wicked94z28
Sorry for no update guys....we got a big snow storm and I cant get the Maro to the garage(its snowd in!!) so0o0 soon as I get the chance im going to try letting it get hot and shut off and try the spark because I read up a bunch, and alot of you seem to think its the ICM...so wish me luck...i will update asap with result!
Please read carefully

Pay the $125

get the car scanned

Look at all the posts you are making and the parts you are suggesting to throw at it.

You are as the saying goes, pissing into the wind. Get it scanned.
 
Old Feb 8, 2010 | 10:05 AM
  #23  
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agreed
 
Old Feb 8, 2010 | 12:43 PM
  #24  
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amen, read the codes, they will tell you what you need to know
 
Old Feb 8, 2010 | 12:43 PM
  #25  
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agreed as well...get it scanned and then you will know exaclty where your problem lies
 
Old Feb 8, 2010 | 10:30 PM
  #26  
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Try running the car when its dark out. when it gets warm and starts to die see if the coil is arcing....shorting.... out. It will be pretty visible and blue. The coil isnt hard to replace and is pretty cheap. I replaced the opti in my car last year and then the coil went bad. My car would start fine then get a mile or two down the street and die when it got warm.
 
Old Feb 10, 2010 | 03:18 PM
  #27  
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this one is for dopez28: i was lucky because i had access to a lift at the time, i was going to mechanics school! it is working fine right now, havent had any problems yet!
 
Old Feb 11, 2010 | 11:38 AM
  #28  
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Well I think im going to fire it up tonight and try av95z thery....If that dont work ill have it scanned, it'll probly be a week before I can do that tho... I can fire it up all I want but with all the snow around it...its not goiing anywhere!!! I'll have to shovel snow for a hour to open the door LoL
 
Old Feb 11, 2010 | 04:44 PM
  #29  
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Originally Posted by wicked94z28
Well I think im going to fire it up tonight and try av95z thery....If that dont work ill have it scanned, it'll probly be a week before I can do that tho... I can fire it up all I want but with all the snow around it...its not goiing anywhere!!! I'll have to shovel snow for a hour to open the door LoL

i hear ya there, i need to replace my opti, but its just to damn cold out and i cant test when im done
 
Old Feb 12, 2010 | 06:52 PM
  #30  
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Hey.... I dont believe that its an electrical problem....reason being its a fuel problem and I did alot of researching and dont think its the pump... after it shuts off you can spray starting fluid in the breather and it will start up(runs like **** as long as your spraying it in their, but runs!) so0o0ooo I believe its the low oil pressure sensor. Do 1 of you know if it will stop sending gas when oil pressure goes so low? I believe it has somthing to do with it because the oil pressure gauge is reading half way to first notch... I know thats low but I dont think the gauge works because the engine sounds fantastic with no noise what so ever... Im going to post another thread about it also because theres alot of ppl saying it will shut off fuel and alot of ppl saying it wont... plzzZzzzzz let me know.... I'm going to buy one tomarrow and install it and prey it fixes it!!!
 



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