

| Subject: | Re: O2-sensor blues and more on '84 1.9L engine |
| From: | John Rodgers |
| Date: | Mon, 15 Aug 2011 09:57:52 -0500 |
OOPs! Sorry...... Y'er right - Ken Lewis John John Rodgers Clayartist and Moldmaker 88'GL VW Bus Driver Chelsea, AL Http://www.moldhaus.com On 8/15/2011 7:47 AM, Alistair Bell wrote: > wish it was me, but no, its Ken Lewis. > > alistair > On 2011-08-14, at 10:17 PM, John Rodgers wrote: > >> I think it's Alistair Bell on this list make a little gizmo that you >> mount in the instrument pod and connect to the O2 sensor that gives and >> continuous indication of operation of the O2 sensor. It not a counter, >> but just a series of little indicator lights that when operating >> properly moved rhythmically back and fourth. As long as it does, all is >> will with the O2 sensor. If not - then no ocillation. On startup and >> until the O2 sensor warms up to operating temperature, the lights will >> wander eratically, but once up to temp, it will oscillate. A handy gadget. >> >> JOhn >> >> John Rodgers >> Clayartist and Moldmaker >> 88'GL VW Bus Driver >> Chelsea, AL >> Http://www.moldhaus.com >> >> >> On 8/13/2011 10:46 AM, John Lauterbach wrote: >>> First, thank you to one of the list gurus who suggested checking on >>> shorts between O2-cable and its shield. I had one of my own causing. >>> >>> When the O2-sensor is connected and I measure the voltage between the >>> connector and engine ignition control module heat shield, I am getting >>> around 0.46 volts with engine warmed up. Voltage is rather stable with >>> engine at idle. Am I in the ballpark? >>> >>> With O2-cable unplugged, resistance between connector and ground on >>> cable to O2-sensor is infinite. Resistance between other connector and >>> ground on cable to ECM is 173000 ohms. >>> >>> I am not sure what I am missing, but engine runs well, but is running >>> very rich. >>> >>> John >>> >>> >
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