Vehicle stops running when heater is turned on?

Tiny
NICHOLAS DOMINICK
  • MEMBER
  • 2002 GMC SAFARI
  • V8
  • 2WD
  • AUTOMATIC
  • 175,000 MILES
Car running turn the heat on vehicle stops, engine light comes on. The fuel pump has been replaced.
Thursday, January 18th, 2024 AT 12:25 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

This may sound crazy but check to see if the A/C compressor engages when you turn the heat on. If it is, disconnect the power supply to it and see if the engine stalls.

Let me know.

Joe
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Thursday, January 18th, 2024 AT 1:31 PM

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