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will my guage still be accurate?

Old 03-05-2004, 11:35 PM
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Default will my guage still be accurate?

Hey... i was going to tap my air fuel ratio guage in to my o2 sensor. But i accidently fucked that up (dont ask) so know im going to run it in to my ECU instead. With my o2 sensor having a cut wire will my ECU hooked up Air fuel ratio guage still be accurate?
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Old 03-06-2004, 12:09 AM
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Default Re:will my guage still be accurate?

Why don't you just solder it back together and put some heatshrink tubing on it?
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Old 03-06-2004, 11:25 AM
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Default Re:will my guage still be accurate?

My A/F gauge is tapped at the ECU.. ..If the voltage that far away from the source is OK for the ECU, it'll be OK for your A/F gauge.
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Old 03-06-2004, 11:10 PM
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Default Re:will my guage still be accurate?

mine is at the ECU too, but your neither your gauge nor your ecu will work correctly if you have a cut wire still, just connect it back up and do it from the ECU
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Old 03-07-2004, 01:30 AM
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Default Re:will my guage still be accurate?

Its a real bitch to get at... dont work on your car drunk!!

Im gonna fix it its just a bitch and im so far along. I just didnt want to deal with it. Im going to fix it
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Old 03-07-2004, 04:26 PM
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Default Re:will my guage still be accurate?

don't even worry about it anyway, the guage isn't very accurate in the first place.
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Old 03-07-2004, 05:26 PM
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Default Re:will my guage still be accurate?

whats a good guage to have to make sure i dont run lean?
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Old 03-07-2004, 06:47 PM
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Default Re:will my guage still be accurate?

It's not the gauge that is your limitation. It's your O2's technology. It wasn't created to gauge exotic A/F ratios. It was designed to gauge stoich (14.7:1). The voltage curve for a single wire O2 is about 0.92v ~14.2:1, to 0.05v ~15.2:1, that's it.

You will need a wideband O2 w/ controller to get more accuracy, and greater spectrum.
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Old 03-07-2004, 10:51 PM
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Default Re:will my guage still be accurate?

Originally Posted by bambooseven
don't even worry about it anyway, the guage isn't very accurate in the first place.
That isn't the biggest issue, the ECU needs the signal. Are you throwing a CEL? I would think if you messed it up your car would be in limp mode. You should fix it so your ecu is happy, then worry about monitoring it.
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Old 03-09-2004, 09:55 AM
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Default Re:will my guage still be accurate?

i fixed it
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