Eliminating Fuel Tank Pressure Sensor

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09-12-2013, 08:02 AM

RENE'S RAGE

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Eliminating Fuel Tank Pressure Sensor

Race car only.
Can I do away with the fuel tank pressure sensor?
What exactly is it's purpose ?

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09-12-2013, 04:20 PM

fieroguru

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Yes, just turn off the DTC for it and remove the wires. Or do like I did and wire in the wideband to the 0-5V sensor wire.

Tank pressure is used as part of the evap system.

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09-12-2013, 06:24 PM

RENE'S RAGE

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How will the tank vent it's pressure if you remove the sensor?

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09-13-2013, 07:45 AM

fieroguru

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I have a non-ecm controlled tank vent - 88 Fiero.

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09-13-2013, 09:10 AM

RENE'S RAGE

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I did some research and found the answer.
Just undo the evap line before the canister and
put a filter on it.

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