Kayla Posted April 10 Report Share Posted April 10 I have a 2016 Dodge Journey. The check engine light came on for code P0128. The thermostat has been changed, and the check engine light is off now. When the thermostat got changed the coolant was drained and replaced. Prior to the code coming on I had to keep topping off coolant because it was getting below the line. After replacing the thermostat and adding new coolant I just noticed my coolant level was extremely low. However, I just found out that only 1 gallon of coolant was added, and I think my journey takes 2.6 gallons. The coolant is NOT going into my oil, and no white smoke coming from my exhaust. NO visible leak. Any ideas? Quote Link to comment Share on other sites More sharing options...
5rebel9 Posted April 10 Report Share Posted April 10 Which size engine, the 4 cyl. or V6? Each has their own fault possibilities to your problem. Quote Link to comment Share on other sites More sharing options...
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