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1990 Chevy Lumina 1990 Chevy Lumina Shuts Off when engine w

Tiny
MECHANICMANGG
  • MEMBER
  • 1990 CHEVROLET LUMINA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 114,000 MILES
I have replaced the fuel pump, fuel filter, Ign Control Module, Coils all 3, O2 sensor, plugs and wires. The problem I am having is this the car starts and Idles great but when the cooling fan kicks on the engine shuts off by itself.

Now heres the thing when the car is COLD it runs good but when it gets to temp and the fan turns on engine dies, then you have to wait for the car to cool down then restart it and it runs good until it warms up again.

I am in Afghanistan right now and my wife is fixing this herself as she is a pretty good mechanic but this is our only car and we need your help. PLEASE !


Thanks
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Sunday, November 23rd, 2008 AT 6:48 AM

2 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi:
I'm sorry no one has replied sooner. If the fans are disconnected, does the car shut off?
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Wednesday, December 3rd, 2008 AT 3:33 PM
Tiny
THIS IS MIKE
  • MECHANIC
  • 686 POSTS
It sounds like the ecm engine temperature sensor is shorting out causing the engine shut down.
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Tuesday, December 9th, 2008 AT 11:49 AM

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