coolant sensor or circuit/ low temp indicated whats this mean

Asked by Prowler_1180 Aug 29, 2014 at 05:31 AM about the 1990 Chevrolet C/K 2500 LB 4WD

Question type: Maintenance & Repair

coolant sensor or circuit/ low temp indicated    whats this mean

2 Answers
60,435

Andrew answered 9 years ago

your engine temperature isn't getting up to operating temp. Either stuck open/no thermostat, or faulty temp sensor. Not to be confused with temp sending unit that works the gauge. If your gauge operates normally and hangs around the middle of the gauge then the truck is getting up to temp and the temp sensor is either bad or unplugged. If the gauge is always bottomed out then your thermostat is likely the issue

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