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1992 Chevy Cavalier When heater/defrost is on for over 10 m

Tiny
NAMILES41
  • MEMBER
  • 1992 CHEVROLET CAVALIER
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 89,000 MILES
I have a '92 cavalier, when I use my heater or defroster for an extended period of time my engine will die. If I am on the x-way and then exit after about 30 miles, when I come to a stop by engine will die. The car immediately starts up again but when put in drive it dies again. Everything will be ok after about 5 minutes but this issue keeps occuring and I live in cold weather so I need to use the heat. Any help here would be very much appreciated. Thanks
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Monday, February 9th, 2009 AT 5:57 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,328 POSTS
Hi:
I question if the heater has anything to do with the engine dieing. To me it sounds more fuel related. Have you ever had the fuel pump pressure tested? Also, is the check engine light coming on?

Joe
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Tuesday, February 10th, 2009 AT 1:32 PM
Tiny
NAMILES41
  • MEMBER
  • 2 POSTS
I have never had the fuel pump pressure tested and sometimes the check engine light comes on.
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Tuesday, February 10th, 2009 AT 4:27 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,328 POSTS
Hi:

If the light has been on, we need to start there. The computer needs scanned for codes. Many of the nationally recognized parts stores will do it for free. Have them scan it and let me know what you find.

Joe
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Tuesday, February 10th, 2009 AT 4:31 PM

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