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Installing Air Fuel ratio meter
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<blockquote data-quote="ecupro" data-source="post: 1600948" data-attributes="member: 20434"><p>Bro,</p><p>Normally, there are four types of O2 sensor.</p><p></p><p>One wire - output ( like old engine, 4G61T, VR4 )</p><p>Two wires - one is output, one is gound ( like Proton Wira )</p><p>Three wires - one is output, two more wires for heater element ( +12V and ground )</p><p>Four wires - one is output, one is gorund, two more wires for heater element (+12V and gound)</p><p></p><p>For install one wire or two wires O2 sensor, you have to place it near the extractor or turbo outlet., because this O2 sensor need to heat up in order the chemical can react ( output voltage 0.1V to 1.0V )</p><p></p><p>For install three wire or four wires O2 sensor, you have to place it after the "flex hole pile", and connect hte heater element ( to generate the heat so that the chemical can react. You need 3 minutes to heat it up with engine running,idle )</p><p></p><p>For safe side, connect a resistor 0.43 ohm 5W series with the O2 sensor ( so that the heater element don't blow off or fuse out )</p><p></p><p>Of couse, you can install the three or four wires O2 sensor near the extractor without install the heater element.</p><p></p><p>You can view on the thread "Local Ecu", i install the O2 at the "end pipe" with four wires, that is with heater element .( I can remove it any time so that i can tune with other car )</p><p></p><p>Since the wire is quit long, i did not connect the resistor.</p><p></p><p>For safe side, you can connect 0.1 ohm 5W resistor series with O2 sensor.</p><p></p><p>Arrr....the Honda O2 sensor might no work. It seem to be wide band.</p><p></p><p>I think the Apexi Turbo Timer only with standard O2 sensor, narrow band.</p><p></p><p>Good Luck.</p></blockquote><p></p>
[QUOTE="ecupro, post: 1600948, member: 20434"] Bro, Normally, there are four types of O2 sensor. One wire - output ( like old engine, 4G61T, VR4 ) Two wires - one is output, one is gound ( like Proton Wira ) Three wires - one is output, two more wires for heater element ( +12V and ground ) Four wires - one is output, one is gorund, two more wires for heater element (+12V and gound) For install one wire or two wires O2 sensor, you have to place it near the extractor or turbo outlet., because this O2 sensor need to heat up in order the chemical can react ( output voltage 0.1V to 1.0V ) For install three wire or four wires O2 sensor, you have to place it after the "flex hole pile", and connect hte heater element ( to generate the heat so that the chemical can react. You need 3 minutes to heat it up with engine running,idle ) For safe side, connect a resistor 0.43 ohm 5W series with the O2 sensor ( so that the heater element don't blow off or fuse out ) Of couse, you can install the three or four wires O2 sensor near the extractor without install the heater element. You can view on the thread "Local Ecu", i install the O2 at the "end pipe" with four wires, that is with heater element .( I can remove it any time so that i can tune with other car ) Since the wire is quit long, i did not connect the resistor. For safe side, you can connect 0.1 ohm 5W resistor series with O2 sensor. Arrr....the Honda O2 sensor might no work. It seem to be wide band. I think the Apexi Turbo Timer only with standard O2 sensor, narrow band. Good Luck. [/QUOTE]
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