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Diagnosing A/F gauge.. bad o2 Sensor?

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Old Jul 20, 2002 | 10:46 PM
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Diagnosing A/F gauge.. bad o2 Sensor?

Hey guys. Recently my A/F meter is showing about 7-10 bars lit up when I am on the throttle as compared to the 1-2 it used to before. This just started this week but I have not changed anything recently. My guess is the O2 sensor is possibly bad, but it's not throwing the check engine light which I would have expected. Would this be the symptom of a gone-bad O2 sensor? Thanks.

Bryan
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Old Jul 20, 2002 | 11:18 PM
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Same exact thing happened to mines, I have no idea what it is but my car is driving just fine. You should not be relaying on a A/F ratio gauge to tune your car btw
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Old Jul 21, 2002 | 03:36 AM
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Stay away from WOT. It could be bad on the engine.
I had one engine grenade on me when I was pumping
the gas in the burn-out box at the drag strip. In fact stay away from the second turbo. Until you change the sensor.

The O2 did not have a reading and so the ecu did not know how much gas to add... and boom. Lost 2 apex seals.
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Old Jul 21, 2002 | 10:13 AM
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I tried checking engine codes just to see if I had missed seeing the light but no codes were stored. What is a good replacement single wire O2 sensor? Anyone have a part # handy? Thanks.
Bryan
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Old Jul 21, 2002 | 10:54 AM
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Bosch Universal O2 Sensor

part number 11027

Don't forget some Anti-Sieze...
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Old Jul 21, 2002 | 12:08 PM
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Is the Bosch the same as the Ford Escort O2 sensor?

I find with my O2 sensor now it takes a while after shutting down to get to temp.... Is this a sign it's starting to go kaput?
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Old Jul 25, 2002 | 03:16 PM
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have you checked the ground wires the gauge in my car went crazy untill i added another from engine to the strut tower
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Old Jul 25, 2002 | 03:24 PM
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Originally posted by Mahjik
Bosch Universal O2 Sensor

part number 11027

Don't forget some Anti-Sieze...
My Bosch 11027 came with anti-seize on it
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Old Jul 25, 2002 | 03:35 PM
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Could be your gauge. My autometer has done the same thing for a while now, and I thought it could be the way it is supposed to work, until I saw a few other people's and saw they only 1 or 2 lines. But a couple weeks ago a friend bought a new one for his car, and before he put it in I hooked it up in mine and drove around the block. The new one only had 1 or 2 bars, so apparently it is the gauge in my case. I just have to get a new one now. Something for you to consider.
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Old Jul 25, 2002 | 03:51 PM
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[QUOTE]Originally posted by racer rx
[B]Is the Bosch the same as the Ford Escort O2 sensor?

No, this is not the same as the Escort. The escort part #, at NAPA, is OS204.

I am have the same problem even though I have changed my O2 sensor...?????
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