Question about 2001 Pontiac Grand Am SE

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Can engine coolant temperture sensor stop grand am from starting.

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I had this on a trans am the sensor went bad it controls your fuel flow increases fuel when cold opposite after warming up if your check engine light is not on it will do no good to scan won't be anything their change the sensor these are not that costly

Posted on Apr 08, 2015

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Hi, which engine does yours have 2.4 or 3.4 L no matter, the coolant temp. sensor is given a 5 volt reference signal from the PCM an if the sensor were to become shorted it could bring down the whole 5volt ref. circuit in the PCM causing a no start condition . You can check this with a volt meter at the TPS throttle position sensor because it's easy to get at ! 2006 Cadillac DTS Shorted 5v Reference Circuit

Posted on Apr 08, 2015

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Tell me have you put a code reader on the car yet? You need to get a hold of a code reader and see if any codes come up. If they do, find out what parts the codes are for and replace those parts. After you do that then try to start the car. You should have no problem starting it then. I have a 2004 Pontiac Grand Am SE1 3.4 L , 6 cyl and the oxygen sensor just went out on mine yesterday. Mine will start but it takes the second time of cranking to make it turn over. I work on cars. You might tell me what was going on with your car before it decided not to want to turn over. If you would like me to try to help you just respond back. Autozone or o'Reillys auto parts or Schucks have a Loan a tool program and also amazon.com sells them online for pretty cheap(Code Reader). Also if there is college or automotive trade school in your area that has courses for auto mechanics, most of them also repair cars for either FREE or a very minimal price. They only usually charge you for the price of the parts and a very small shop fee (if any) and no labor charge. If this applies to where you live give them a call ASAP. Hope this helps.

Posted on Apr 08, 2015

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And on the GMC Chevy Pontiac yes the sensor can stop or make it hard to start. and when you do get it to start it can also shut down your overdrive they run the temp into the computer it with info for cold or warm starts and if it is bad it will tell the trans comp that it is to cold and not allow the trans to shift into overdrive

Posted on Apr 07, 2015

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Support above comments, from my experience when water went inside engine the low coolant red sign came on and temp needle at 3/4, car never stopped, I stopped within a few meters to service engine oil at that parking spot to avoid engine damage

Posted on Apr 07, 2015

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The coolant sensor just reports the temperature to the temp. gauge, and the computer to keep the emissions in check.
If you ran it out of coolant, and were driving it, the motor could have seized. Not good. Does it turn over when you turn the key? Does it just not fire up?

Posted on Apr 07, 2015

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No it can not. What is the problems of the car? Not starting? Not cranking?

Posted on Apr 07, 2015

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Posted on Jan 02, 2017

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SOURCE: where is the coolant temperature sensor located on

its is located near the thermostat housing.

Posted on Nov 17, 2009

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SOURCE: i want to know the

dont know , but suggest if you plan to keep that car by a do it yourself repair manuel ,half price book store or auto parts store also at the auto parts store they should be able to pull up a picture of what it looks like or show you one if they have it in stock . if they wont do your buisness elsewhere. most cars its brass located on the side toward top of the engine itself. a litle help is better than no help

Posted on Jul 28, 2010

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