pretty sure i already posted this but....
Quote:
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The PCM uses the fuel level sensor input in order to determine the amount of fuel in the fuel tank. The PCM disables the engine misfire diagnostic when the fuel level is too low and the EVAP system diagnostic when the fuel level is either too high or too low. The PCM also controls the fuel gauge based on the fuel level input.
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so can/should al wire in a resistor to trick the computer into thinking there is say 90% or more of fuel? this way, he retains misfire detection and disables the evap diagnostic (even though it can be tuned out)
just a thought