Question about 1999 Pontiac Sunfire
Also could be a bad gauge cluster did you recently alternator bad connects it or battery issues
Posted on Sep 14, 2015
It's probably the float on the fuel pump.pull the pump and clean or just replace the fuel pump and float.
Posted on Nov 21, 2014
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Posted on Jan 02, 2017
sending unit or float in gas tank, check if any broken wires or well plugged in and then check the float for the gas.
Posted on Dec 23, 2008
A bad electric connector is possible. A bad tank sending unit can cause the same symptom. Usually the sending unit is a reostat mounted inside the tank.. it changes resistance depending on the float position, the resistance change causes a different voltage to the gauge or signal processor. The reostat may be a resistive plastic strip, as the float moves a contact pointer wipes the length of strip thus the change in resistance and voltage. Clear as mud?
Posted on Apr 07, 2009
I just had my 99 sunfire diagnosed at a pontiac dealer for this same problem and they told me I had to replace the fuel pressure sensor...
Posted on Apr 28, 2009
did you replaced just the float , because if the resistor that messures the level is not good you didn't do any thing you have to change the level sensor next to the pump..,Im sure that;s all the problem, you should also check the wiring next to the pumpand any connector down there
Posted on Aug 02, 2009
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