can a o2 sensor make your car stall ? ( yes ) - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 02-10-2006, 01:43 PM   #11
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I know how to fix the issue, i was just wondering if anyone has ever heard of a o2 stalling out a car. Would a plug that was wired wrong cause it? I'm just wondering why it caused the car to stall.
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Old 02-10-2006, 01:54 PM   #12
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Quote:
Originally Posted by kw6977
Would a plug that was wired wrong cause it? I'm just wondering why it caused the car to stall.
Thanks
Did you replace anything else besides the O2 sensor? Maybe you accidentaly touched or moved one of the ignition wires just enough for it to lose contact. How old are the wires/plugs in your car? Idle Air Control Valve needs cleaning maybe?
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Old 02-10-2006, 02:01 PM   #13
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Quote:
Originally Posted by kw6977
Would a plug that was wired wrong cause it? I'm just wondering why it caused the car to stall.
Thanks
I assume you are asking if the O2 sensor could have been improperly made? Because there is no wiring of the O2 sensor and the wires that connect to the sensor are part of a connector assembly that just snaps onto the sensor. I don't believe that the connector is reversible.
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Old 02-10-2006, 02:03 PM   #14
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A better question is ... Can an O2 lean out a car far enough to stall it?

it'* clearly a problem...but can a malfunctioning sensor lean it back that much?
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Old 02-10-2006, 02:08 PM   #15
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Quote:
Originally Posted by lash
Well, theoretically it could cause a stall if it were sending out bad feedback signals, right?

If it were giving a false read, then it could be causing an adjustment that starved the engine of fuel, no? Just speculating here.
That'* what I was getting at. Not sure if it can really be done, but notice in his first post that he says while braking for a stop and while turning. Both are odd load situations where the fuel demand is suddenly being asked to change. If you received the wrong mix feedback....I don't know...anyone else???
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Old 02-10-2006, 02:31 PM   #16
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With all this oxygen sensor talk I think about a radio mechanic who said someone came in and was told it would cost so and os to diagnose problem with his car. He didn't want to spend that money.

Instead that weekend he got the Budweiser diagnosis and they replaced two oxygen sensors. It ran worse than before. So the car ended up at the local shop anyhow. Mechanic found both oxygen sensors were off and neither was needed. They put the originals back in and then did diagnosis.

Guy ended up spending a whole lot more because of wrong diagnosis and aftermarket oxygen sensors. If you're gonna try the oxygen sensor, get GM.
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Old 02-10-2006, 02:35 PM   #17
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I think GM is AC Delco.
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Old 02-10-2006, 02:39 PM   #18
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I think GM is AC Delco.
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