1998 Buick Skylark Q&A

1998 Buick Skylark Question: Low Coolant light remains on despite thyat the coolant is full

Low coolant light remains on. Sensor replaced there are no leaks. waterpump and all seals and gaskets replaced. No leaks. Pressure Tests done. Car also driven 250 miles No Problems. Is there a Diagnostic test for the circuitry and if so can you provide info re: codes? Wiring diagrams for this problem. Thank you. -
Answer 1
bleed the system out air and find and clean the sensor -