using a digital volt meter,
Passenger
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using a digital volt meter,
Ok im sure everyone has seen my thread on here about the oxygen sensor, and i was told to go and get a digital meter. so i did. It is a electro-tek cheap one.
Now how do i use it to test the o2 sensor??
Thanks, chris
Now how do i use it to test the o2 sensor??
Thanks, chris
SOLD THE RX-7!
Joined: Mar 2001
Posts: 7,451
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From: Vancouver, BC, Canada
splice the red wire in with the wire going to the 02 sensor, and put the black wire to somewhere metal for ground. it should give you a reading between 0 and 1 volt.
easier to just unplug the clip to the 02 and stick it in the clip (sensor end...)
easier to just unplug the clip to the 02 and stick it in the clip (sensor end...)
HAILERS
Joined: May 2001
Posts: 20,563
Likes: 27
From: FORT WORTH, TEXAS,USA
Can't see the symbols from here. Seeing as how its digital, try this if it does not have a marking like DC on it. Put the red lead on the positve terminal of your battery and the black lead on the negative terminal of your battery. Turn the meter to on. Keep switching the meter until it reads approx battery voltage i.e. 12volts. When it does that make note of where the settings are on the meter and then go to your 02 sensor and put the red lead on the 02 connector and find a place to put your negative terminal. Just some metal part of the engine should work, I hope. Then turn the engine to idle. Your meter after the engine warms up, should read approx .6 or .7 volts. I hope someone else will write and tell you another method for figuring how to make the meter work. Should have come with some instructions. By the way, set your meter to its lowest setting if it has that feature. Your looking for less than one volt, so set it to a low range. EDIT: Hey, if you have a scanner maybe you could scan the meter and attach it to a thread where we could look at it?
Last edited by HAILERS; May 26, 2002 at 05:57 AM.
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ok just got thruogh trying to test this bitch. i put the red wire in the V,omh,m,A hole, and ran it to the end of the 02 sensor[conecctor] Then i ran the black wire from the com hole. to ground, And i just sort of turned the dial. The best thing that i could come up with was -.03 with the dial on 20 in the V-.. range.
And when i hooked it up to my batt it showed 13.8-14.0 so i know it does work.
This meter does not have a dc vx1
And when i hooked it up to my batt it showed 13.8-14.0 so i know it does work.
This meter does not have a dc vx1
SOLD THE RX-7!
Joined: Mar 2001
Posts: 7,451
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From: Vancouver, BC, Canada
2 quetions. when you stuck it in the clip, was it the one going to the 02 sensor? or the other side?
2, was the car running and warm?
I would take the -.03 as a 0. which either of the above would cause if not done.
2, was the car running and warm?
I would take the -.03 as a 0. which either of the above would cause if not done.
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