Question about 2002 Pontiac Firebird

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Temp gauge soesn't work

I have an 02 firebird 3.8 V6. The temp gauge stopped working. I replaced the temp sensor and it still doesn't work. What could be the problem?

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  • Matt Crocker May 11, 2010

    Either coolant level, fuse or a problem with the cable connecting the sensor to the gauge...?

  • Eric Ehresman
    Eric Ehresman Apr 12, 2013

    It also has smart gauges and if the gauge reading and the temp reading are not the same it turns off the gauge, which is the thermostat, I have had to change out the thermostat twice because of it and then have the gauges reset by my mechanic's code reader.

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IF YOU CHANGED THE FLUID AND THEN THE SENSOR FAILED IT IS BECAUSE THERE IS AIR IN THE RUBBER PIPING TO THE TOP OF THE ENGINE MANIFOLD. THERE IS A BLEEDE VALVE TO RELIEVE TRAPPED AIR AND ONCE THAT IS GONE THE GAUGE WILL RESPOND. YOU HAVE AN AIR BLOCK AND THE SENSOR NEED TO BE IN THE ANITFREEZE SOLUTION TO FUNCTION.

Posted on Apr 11, 2009

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