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Paul M ASE Master
Paul M ASE Master, ASE Master Tech
Category: Pontiac
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Experience:  ASE Master Tech 20+ Years
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Have a 1998 Pontiac Gran Prix 3.

Resolved Question:

Have a 1998 Pontiac Gran Prix 3.8 with a p0125 code
Submitted: 6 years ago.
Category: Pontiac
Expert:  Paul M ASE Master replied 6 years ago.

Hello and thank you for using Just Answer

I'm Paul and I will help you with your Question

 

code p0125 is most often caused by a bad thermostat

 

I would replace the thermostat and clear the code

 

if it continues to happen you need to look at the coolant temp sensor

 

let me know if you need more help

 

Paul

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