2003 chevy impala Rad fans run on high when key is on replaced relays ,temp sensor and thermostat
Fans run for radiator on hi when key is on Replaced temp sensor thermostat and
relays . temp gauge not working . TWO codes P1115 PO118 and PO 125 What could
these can be tough ones, but definitely check the coolant level, the wiring to the ETC, and the connections to the ETC
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