Mar 12, 2003 · O2 sensor replacement Before you replace this sensor, try to determine the cause of failure. In most cases contamination kills the thing. Non-sensor safe RTV, coolant and excessive …

Mar 15, 2006 · If you use a single wire O2 sensor, then install it on the side of the motor as it needs to reach a high temperature to operate as it should. Many shorty headers come with the bung in the …

Dec 21, 2009 · They do a great job of teaching how to test 1-wire, 2 & 3 wire. But something just isn't right about how that translates to a 4-wire setup. Like I said, they have ~5 volts running across what I …

Mar 12, 2006 · ANY O2 sensor that will generate 0.9 volts or more when heated, show 0.1 volts or less within one second of flame removal, AND pass the two minute heat test is good regardless of age. …

Apr 14, 2003 · The O2 sensor is necessary for the efficient operation of the engine. Why did you not reinstall it? My 4runner wont start if my sensor is unplugged. I dont wanna get too in depth, but all FI …

Aug 22, 2019 · Before the 2nd failed smog test I removed the semi new Denso o2 sensor and spacer and replaced with a new Bosch that has a shorter snout, even through I try to stick to Denso for …

Oct 12, 2008 · The denso o2 sensor is a good part but a bad o2 sensor is not going to give you a long crank time the o2 sensor has nothing to do with fuel delivery on start up.

Mar 4, 2002 · On both my 83 & 85 there is a "O2 sensor test connector" located on the driver side inner fender with a rubber cap on it. You will need to rev the engine to 2000 rpm, insert the voltmeter …

Sep 29, 2011 · I decided to check what kind of voltage my 02 sensor was putting out. Hooked up the multimeter to the "Ox" test port on the diagnostic check connector by the fuse box, and got nothing, …

Jan 28, 2009 · I recently built an O2 AFR gauge from a kit for fiddling around with tuning. the narrow-band kit cost me about $14 USD delivered from austrailia. it took about 10 days to arrive, and less …