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Connecting fuel pressure sensor to Hptuners

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Old 11-22-2008, 09:08 AM
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Default Connecting fuel pressure sensor to Hptuners
Its an electric autometer fuel pressure gauge, do I only need the sensor signal(+). Or do I need the sensor(+) and ground?
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Old 11-22-2008, 10:23 AM
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I Believe you need both. I think anyway.
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Old 11-22-2008, 08:08 PM
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Thanks Pat
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Old 11-22-2008, 08:10 PM
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Originally Posted by 03sierraslt
I Believe you need both. I think anyway.
yep... be sure to use the same ground as the gauge so you have no offset
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Old 11-22-2008, 08:10 PM
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Sensor output only here and works fine.
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Old 11-22-2008, 08:54 PM
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Didnt get a chance to mess with it today. Did you have any difference from your log and gauge display Roger?
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Old 11-22-2008, 09:47 PM
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Originally Posted by phasemaster1
Didnt get a chance to mess with it today. Did you have any difference from your log and gauge display Roger?
Nope. It is erratic sometimes.... I might try bringing in the ground to see if it helps that. Grounding it can't hurt.
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Old 11-23-2008, 12:08 AM
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Now do you use the ground from the MPVI EIO plug? Or the FP gauge ground?
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Old 11-23-2008, 05:38 PM
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No go, I need the connector clip for the back of the gauge. Its missing the pins.
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Old 11-23-2008, 07:12 PM
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I soldered a small wire and stuck it into the gauge at the correct pin and taped it. Might also be the reason its erratic cometimes
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