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P1620 Diagnostic Trouble Code Discussion for January 2006

Low Engine Coolant Switch Circuit Low Input


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Trouble Ticket Help Requests for DTC P1620
Help Request Posted
2001 Saturn SW2 1.9L Poor Fuel Economy VIN: 1G8ZN84791
P1620: low coolant. Hello to all. this saturn wagon came to us with the complaint of poor fuel mileage from 30 to 20mpg. used snap scanner & found codes. cleared codes & drove car 10 miles. retested for codes none found. coolant was low & seaping at t/stat. put in t/s...
January 20, 2006
2001 Saturn SW2 1.9L Poor Fuel Economy VIN: 1G8ZN84791
P1620: low coolant. Hello to all. this saturn wagon came to us with the complaint of poor fuel mileage from 30 to 20mpg. used snap scanner & found codes. cleared codes & drove car 10 miles. retested for codes none found. coolant was low & seaping at t/stat. put in t/s...
January 20, 2006