Saturn L Series Sedans & Wagons L100, L200, L300, LW200, and LW300

2001 l200 random shut off

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  #11  
Old 08-23-2023 | 10:21 AM
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Originally Posted by derf
My bad. I thought 50 to 60 was way too high but that is about the spec for your engine. I thought too much pressure might be getting through the regulator but that does not seem to be the case.

Again, sorry about that
no worries at all! any help i can get is great. my buddy thinks its in the computer so im up for any suggestions. im probably going to take it somewhere soon.
 
  #12  
Old 11-01-2023 | 02:03 PM
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so finally worked on the car some more, tried a new ignition control module while waiting for a computer to arrive, no luck there.

computer showed up and got it installed and she fired right up and went for a drive, ran great. put the car back together and it wouldnt start without giving it gas, then would run for 3-5 minutes or so and started shutting off again. no stumble or rough idle just like turning the key off again like before.

maybe a bad ground on the computer?? or a bad ignition?? still not getting the security light on the dash so i dont know

definitely seems electrical to me.
 
  #13  
Old 11-02-2023 | 09:13 AM
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Isn't there some kind of procedure that has to be followed after replacing the computer? I don't know. Maybe Andy can tell you.
 
  #14  
Old 11-02-2023 | 05:29 PM
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Originally Posted by Rubehayseed
Isn't there some kind of procedure that has to be followed after replacing the computer? I don't know. Maybe Andy can tell you.
it was vin matched to the car when i ordered it. them we did the key relearn process. All i can think to do now is to trace every ground and plug on the car
 
  #15  
Old 12-09-2023 | 08:28 PM
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update-computer was replaced and still same issues! i double checked fuel pressure while running and while it cranks but wont start, 55-60 psi,
pulled plugs and have spark on all 4,
tried starting fluid incase injectors not firing, still no start
 
  #16  
Old 12-09-2023 | 09:48 PM
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I would remove the first oxygen sensor and see if it starts. Check the ground wire from the valve cover to the head near the brake booster end of the engine.
 
  #17  
Old 12-10-2023 | 10:17 AM
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Have you done a compression test? Seems like you have fuel, fire and air. The only thing missing now is compression. Usually if you have all four of those, it should at least give you a good fart.
 
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