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Can you use any pressure sender with the quad?

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Old 08-26-2009, 06:56 PM
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Can you use any pressure sender with the quad?

my quad rail gauge is so erratic sometimes and then for a few days it isnt. im pretty sure the pressure sender was made in a sweat shop somewhere offcoast. anyways could i use any1 like the 1 on this link?http://www.sw-performance.com/products/SDRPress
Old 08-26-2009, 08:56 PM
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Doesn't your QUADZILLA gauge plug right into the rail? The pod of my X2 does.
There is no sender, rail pressure is never constant or steady, even analog gauges bounce around.
Old 08-26-2009, 09:50 PM
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the quad rail psi set up piggybacks onto the factory plug to the factory sender. it WILL not be a steady psi reading as the FCA is CONSTANTLY making adjustments. sit there at an idle and watch it, turn the a/c on and watch the pressure raise. BARLEY tap the throttle and watch it JUMP. it is normal there dude.
Old 08-26-2009, 10:35 PM
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sorry. i have the rail gauge but i mean lift pump pressure
Old 08-26-2009, 11:40 PM
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no i dont think you can use any sender,i had the same problem and i got the upgraded transducer and i had to send in my commander to be modified to work with it.
Old 08-27-2009, 12:43 AM
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If you find on that is 0-40 psi, 240-33.5Ohm you should be in business.

You can try to find a Datcon brand like the one that came with the first generation RPG, but the ones I've found were running $75-$125.
Old 08-27-2009, 06:57 AM
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Originally Posted by sallyman1
sorry. i have the rail gauge but i mean lift pump pressure
I think you should check your fuel pressure with a mechanical gauge before assuming the quad gauge is srewed.
Old 08-27-2009, 08:27 AM
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i have a new fass. im sure its not the fass
Old 08-27-2009, 08:39 AM
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We know all about your FASS, you started about 6 threads on the problematic install, I'd still check the pressure with another gauge.
Old 08-27-2009, 11:59 PM
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can you drive our trucks with 0 psi on the lift pump side? will i doubt it and thats what it reads. 0-1 psi around town and 16-18 psi on highway
Old 08-28-2009, 12:17 AM
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lol lmfao i doubt it.
Old 08-28-2009, 12:20 AM
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also in the 6 threads it states that i had the fass fixed for free. they installed the 1/2" draw straw. the only thing is the return still dumps into my fill spout. that should be fine because the 1/2 draw straw isnt sucking out of the stock canister anymore. my fass sounds normal (no dying out or cavitation/leaks) all the time. i can and will get a gauge somewhere and t in the line and read psi but really it has to be the sender. the quad lp gauge readout itself wouldnt be the problem
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