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Re: Universal O2 Sensor Question Posted by Ari [Email] (#2847) [Profile/Gallery] (more from Ari) on Mon, 21 May 2001 14:00:23 In Reply to: Universal O2 Sensor Question, Eric Gunnar, Mon, 21 May 2001 13:11:14 Members do not see ads below this line. - Help Keep This Site Online - Signup |
The O2 sensor, and the input to the fuel control are high impedance. What this means is that a few ohms either way doesn't matter spit. The O2 output is based on voltage, not resistance. A decent splice is just as good as a connector (usually better - connectors have problems), and soldering is best.
The only case where resistance remotely applies is in the two heater wires. If you do a *really* bad job of splicing, or end up soldering your fingers together instead of the wires, the heater will take a little longer to heat up. This will only affect emissions in the first minute or so after starting a cold engine.
I'm sure there is a difference between NGK and Bosch, but none of real importance. All sensors use the same technology, and the output is the same. All that differs between sensors might be the thread or the length of the probe. But the voltage output versus O2 content is the same, as it's set by physics.
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