2003 Hyundai Tiburon 2 7 Does Start Weather Cold Put Three Bottles Gas Line

2003 HYUNDAI TIBURON
170,000 MILES
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JASPAL101
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2003 Hyundai Tiburon 2.7 does not start when weather is cold, put in three bottles of gas line antifreeze with three fill ups. Also put in the premium gas, but problem is still there. Parked the car in my garage with a small heater on near engine area and it starts okay. But when left for a long period of time in the cold it will not start. Engine turns but will not fire, please advise of problem.
Feb 3, 2013 at 10:38 PM
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ASEMASTER6371
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could be the coolant sensor malfunctioning.

is the check engine light on??

roy
Feb 3, 2013 at 10:43 PM
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JASPAL101
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No it is not, just the airbag light which has been there for a couple of years.
Feb 3, 2013 at 10:46 PM
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JASPAL101
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Could you let me know where the coolant sensor is located and how to change it please, I was checking online troubleshooting for this car and it was suggested to check the same thing.
Feb 4, 2013 at 9:47 AM
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