Temp gauge doesn't work cel on ac doesn't work - Pontiac G6 Forum
 
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post #1 of 7 (permalink) Old 09-12-2011, 01:16 PM Thread Starter
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Temp gauge doesn't work cel on ac doesn't work

Have an 09 g6 gt with 58000 mile. Check engine light came on through code p0128. Temperature gauge isn't working and air conditioner isn't working. What the heck is going on?

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post #2 of 7 (permalink) Old 09-12-2011, 01:50 PM
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Have an 09 g6 gt with 58000 mile. Check engine light came on through code p0128. Temperature gauge isn't working and air conditioner isn't working. What the heck is going on?

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Replace your coolant thermostat. If you tell us which engine I'll tell you where it is located.



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post #3 of 7 (permalink) Old 09-12-2011, 03:22 PM Thread Starter
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3.5 l. What if I try to take negative cable off battery? If check engine light goes away you think it could be a flook or a temp fix


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post #4 of 7 (permalink) Old 09-12-2011, 07:14 PM
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What if I try to take negative cable off battery? If check engine light goes away you think it could be a flook or a temp fix
You can do that but I think you'll find it comes right back on with the same DTC. Stats are cheap.

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post #5 of 7 (permalink) Old 09-12-2011, 07:48 PM Thread Starter
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Well resetting the battery seemed to work. My gauge works and air conditioning and my cel turned off? Really weird


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post #6 of 7 (permalink) Old 09-14-2011, 01:02 PM Thread Starter
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So no check engine light but when car sits and cools down ac doesn't work and temp gauge doesn't work until the thermostat opens up the the gauge shoots up to correct operating temp and ac works.


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post #7 of 7 (permalink) Old 01-26-2012, 05:35 PM
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I have a 2008 G6 GT 3.9 that is doing this. How hard is it to replace this. My husband is pretty good with repair work. I have a temp gauge that works and does'nt work. I have not lights on. I did notice today when the gauge was acting funny the a/c would not work.
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