Question about 2009 Pontiac G6 GT

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Pontiac G6 temp guage runs at 260F. Is this normal temperature

Pontiac G6 engine coolant temp guage runs at 260F. Is this normal temperature

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No it is not it should only at 200

Posted on Dec 05, 2012

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  • Pontiac Master
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Should run around 210F.

Posted on Dec 05, 2012

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Posted on Jan 02, 2017

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SOURCE: engine light 2006 pontiac g6(reset)

first be sure that its the engine light and not the "service" light. the service light will usually illuminate if its time for an oil change. if its the service light ur owners manual should tell u how to reset it. if its ur engine light then try disconnecting ur positive battery cable for 1 minute. that should reset ur ecm and get rid of the engine light. if the engine light comes back on then have a diagnostic scan done to determine whats causing it. LJ

Posted on Dec 29, 2008

Magaiver
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SOURCE: Where is the thermostat on a 2007 pontiac G6 3.5 ?

The thermostat is under that casting where the hose connects..Hope this helps.

Posted on Aug 13, 2010

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SOURCE: installing thermostat in 2006 pontiac g6

follow the upper hose to the block

Posted on Aug 01, 2009

luckyluke78
  • 333 Answers

SOURCE: my pontiac g6 just start leaking coolant and

check where it is leaking from.if from rad overflow it could be you thermostat and inexpensive to replace or possibly rad cap.You can sometimes check if stat is working by getting motor to running temp and check if rad pipe to motor is getting hot if this is the case it is probably working.You might also have to check if you open rad cap(when COLD)run motor and see if there are any bubbles in this case worstsenario is head gasket ,pump or even worse cracked head(very expensive)

hope this helps but you may need specialist equipment for a full diagnosis if the simple solutions have not solved your problem

Posted on Aug 02, 2009

  • 175 Answers

SOURCE: coolant temp sensor location for 2007 pontiac g6

On left end of rear cylinder head

Posted on Feb 06, 2011

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My son said that the temp guage was reading about 2/3 of the way hot. After he turned it off the fan kept running for a couple of minutes after he turned it off. This is on a 2007 Pontiac G6.


The fan will run after the engines has been turned off. The temperature gauge at 2/3...It normal when the engine ran for two minutes then turned off. It could have been hot day, air conditioner is running, stop and go traffic, drive really slow. many factors affect the temperature of a engines. One way the manufactures fix some of this overheating problems were to install axillary fans, also increasing the psi on the coolant system from 212 degree F, to 240-5 degree F. Buy doing this the half water/half anti-freeze will not boil off. Just make sure that the bugs are removed from the front of the radiator and the air flow isn't restricted. GB...stewbison

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1988 BMW 318i temperature guage flickers between normal temp. through to max temp. Most of the time the guage is 3/4 to Hot. Main fan seems a little loose when hot - not tightening up. Coolant level OK no...


It could be the impellor wearing out on the water pump, though I have not heard of this issue in your make of car, I have seen it first hand in other makes. The thermostat may not be opening up all the way, flow restriction,. The coolant temperture sensor could be going out, and the gauge in the dash could be going out. You could have flow restrictions else where in the engine. Have you ever had the engine flushed? these are the things that I can think of that would make your engine run hotter than normal.

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My coolant expansion tank is overflowing after 20 minutes running


There could be a couple of reasons for this,

1. The thermostat could be stuck closed creating more pressure than normal. Your temp guage would show a higher temperature or you have another blockage in the system.
2. The expansion tank is too full.
3. The cylinder head may be leaking. If you fill the system run the engine to normal temperature with the radiator cap off, look for quite large bubbles coming out of the filler cap. If the head is badly leaking, they can be like a volcano. The temp will rise quickly from cold and the engine will overheat in a short distance.
It does seem odd that it would only spill over after 20 mins. Suspect that the expansion is over full first if your temp is normal. Let it run until it stops and see where the level is when the engine is cold.

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4 Answers

The temperature gauge on my 2002 grand prix dose


the temperature sending unit on a 97 grand prix 3800 gt(which is also the coolant temperature sensor) is not accurate. the sending unit part of this sensor only sends info to the guage on the dash. the coolant sensor part sends info to the computer of the car. it is located under thermostat and somewhat difficult to get at. i had put a brand new one in and my temperature on my dash is all over the place---even with good thermostat and properly bled system. when i hook up a scanner to my computer, the coolant sensor is sending the computer(ecu??) what seems to be the right temp. anywhere from 194 degrees to 217 when hot. the guage however on dash go from 160 to 260 in less than 2 minutes.

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Where is the temperature guage located under the hood in my pontiac g6. I can not find it to replace.


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Temp guage dont read


U are talking about two different sending units, one is the Engine Coolant Temp sensor, the other is the temp guage sender, sounds like you have a bad thermostat, if the engine doesn't reach the proper operating temp it will set a code for the engine coolant temp sensor, and the guage will not move or move very little, replace your thermostat and both problems will go away.

Mar 02, 2009 | 1996 Pontiac Grand Am

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