2006 Saturn Ion check engine light on

Tiny
JOE1953
  • MEMBER
  • 2006 SATURN ION
  • 134,000 MILES
On my 2006 Saturn Ion 2 sometime the check engine light come on and go of and I took the car to autozone and they read the code and it have a Troubleshooting code #po128 Thermostat defective where is the Thermostat located on this 2006 Saturn Ion 2 car and how do I replace it are repair it?
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Monday, September 16th, 2013 AT 7:34 PM

1 Reply

Tiny
SATURNTECH9
  • MEMBER
If you follow the upper radiator hose to the engine then follow it back you will see the thermostat housing. Drain the coolant and unbolt the housing and replace the thermostat.
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Monday, September 16th, 2013 AT 7:58 PM

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