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2008 Dodge Avenger temp gauge fluctuates

Tiny
FENLON
  • MEMBER
  • 2008 DODGE AVENGER
  • 2.4L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 67,000 MILES
Temp gauge fluctuates which is a new occurrence particularly when I turn the heater on
Friday, January 23rd, 2015 AT 7:36 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Is the vehicle acting like it's overheating?
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Friday, January 23rd, 2015 AT 7:49 PM
Tiny
FENLON
  • MEMBER
  • 2 POSTS
Yes, but when I turn the heater off, it goes back down
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Friday, January 23rd, 2015 AT 7:57 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
THat is the opposite of what I would expect to happen. The heater core acts like a mini radiator which helps cool the engine when the heat is on. Does it ever overheat with the heater off?
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Saturday, January 24th, 2015 AT 6:01 PM

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