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<blockquote data-quote="Kevin @ Wicked" data-source="post: 3679280" data-attributes="member: 18076"><p>that was a good question "will it slow down the response time of the system?"</p><p></p><p>Actually yes, the FRPS monitors the rail pressure and tells the ecm what the pressure drop across the injectors is vs. atmospheric pressure (intake pressure) and increases or decrease pump voltage via the FPDM to add more fule volume/pressure or decrease it.. Honestly it will slow the system down, secondly its on the FP side, which im not really sure is the culprit for the FPRS going bad, i would believe it to be on the "air/pressure side" of the FRPS. Has KB documented which side of the sensor is breaking? Just throwing some questions out there. </p><p></p><p>Basically I would see it as this, if you make the hole that small in which the fuel has to go into, it would take longer for the FRPS to see the actual FP changes, and response time would be delayed. Granted, you could probably work around this thru the PID table for fuel pressure but not sure how much it would need to be played with. I have some spare "broken" sensors at the shop, im going to disect one, and see actually what is going bad inside. If this little device does work indeed, congrats on the find.</p></blockquote><p></p>
[QUOTE="Kevin @ Wicked, post: 3679280, member: 18076"] that was a good question "will it slow down the response time of the system?" Actually yes, the FRPS monitors the rail pressure and tells the ecm what the pressure drop across the injectors is vs. atmospheric pressure (intake pressure) and increases or decrease pump voltage via the FPDM to add more fule volume/pressure or decrease it.. Honestly it will slow the system down, secondly its on the FP side, which im not really sure is the culprit for the FPRS going bad, i would believe it to be on the "air/pressure side" of the FRPS. Has KB documented which side of the sensor is breaking? Just throwing some questions out there. Basically I would see it as this, if you make the hole that small in which the fuel has to go into, it would take longer for the FRPS to see the actual FP changes, and response time would be delayed. Granted, you could probably work around this thru the PID table for fuel pressure but not sure how much it would need to be played with. I have some spare "broken" sensors at the shop, im going to disect one, and see actually what is going bad inside. If this little device does work indeed, congrats on the find. [/QUOTE]
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