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Vacuum Gauge Installation
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<blockquote data-quote="Acoustic" data-source="post: 630742" data-attributes="member: 728"><p>Hormally just tap off anywhere convenient to you. However certain points are more volatile than others and may not be giving a stable reading.</p><p></p><p></p><p></p><p>for 20v AFM - tap of throttle 1 & 4 using 3 Y-joints</p><p></p><p>for 20v MAP - tap of the Vacuum Sensor using a T-joint.</p><p></p><p>Actually for 20v MAP the Vacuum Sensor is a electronic device and hence anyone can buy a 5V DC volt meter off the electronics store and read from there. If there's none make one.</p><p></p><p>When it's zero volt means atmospheric, when it's 5V means 30 In.Hg.</p><p></p><p>I once bought a 10V DC volt meter and changed the internal resistor so that it reads 1V DC when it's pointing at 10V and plugged it onto the O2 sensor and it works :)</p><p></p><p>It swings from 0.3x V to 0.8x V fluctuating and all. But I already bought a 10 LEDs AFR meter, so gave the analog 1V meter to the maker of AFR meter for further experimental purposes.</p><p></p><p>Analog 10V DC volt meter off Jalan Pasar - RM13</p><p>resistor replacement = RM0.10</p><p></p><p>old skool AFR meter at your service :) </p><p></p><p></p><p></p><p>[last sentence copyrighted by EFN :)]</p></blockquote><p></p>
[QUOTE="Acoustic, post: 630742, member: 728"] Hormally just tap off anywhere convenient to you. However certain points are more volatile than others and may not be giving a stable reading. for 20v AFM - tap of throttle 1 & 4 using 3 Y-joints for 20v MAP - tap of the Vacuum Sensor using a T-joint. Actually for 20v MAP the Vacuum Sensor is a electronic device and hence anyone can buy a 5V DC volt meter off the electronics store and read from there. If there's none make one. When it's zero volt means atmospheric, when it's 5V means 30 In.Hg. I once bought a 10V DC volt meter and changed the internal resistor so that it reads 1V DC when it's pointing at 10V and plugged it onto the O2 sensor and it works :) It swings from 0.3x V to 0.8x V fluctuating and all. But I already bought a 10 LEDs AFR meter, so gave the analog 1V meter to the maker of AFR meter for further experimental purposes. Analog 10V DC volt meter off Jalan Pasar - RM13 resistor replacement = RM0.10 old skool AFR meter at your service :) [last sentence copyrighted by EFN :)] [/QUOTE]
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