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Question about o2 sensor...

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Old 07-06-2009, 04:16 AM   #1
Foxbody89GT
 
Join Date: May 2009
Vehicle: 89 Mustang GT
Location: PA
Posts: 6
Exclamation Question about o2 sensor...

My 89 GT has lost power while accelerating and I've been trying to figure out why for quite a while. I don't know a whole lot about cars but I'm learning as I go because this mustang seems to have a lot of problems.

I just remembered seeing something that looked like a spark plug with a wire coming from it attached to my exhaust while I was under my car a week ago. I just found out now while searching online that the "spark plug" is an o2 sensor. On the driver's side exhaust the o2 sensor was attached to a plug. But on the passenger exhaust the wire of the o2 sensor was cut; the wire was just hanging there. Could this be causing the car to have low power while accelerating?

The car has an offroad H pipe with no cats.
Thanks in advance for any help.
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Old 07-06-2009, 06:48 AM   #2
stangman24
 
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Quote:
Originally Posted by Foxbody89GT View Post
My 89 GT has lost power while accelerating and I've been trying to figure out why for quite a while. I don't know a whole lot about cars but I'm learning as I go because this mustang seems to have a lot of problems.

I just remembered seeing something that looked like a spark plug with a wire coming from it attached to my exhaust while I was under my car a week ago. I just found out now while searching online that the "spark plug" is an o2 sensor. On the driver's side exhaust the o2 sensor was attached to a plug. But on the passenger exhaust the wire of the o2 sensor was cut; the wire was just hanging there. Could this be causing the car to have low power while accelerating?

The car has an offroad H pipe with no cats.
Thanks in advance for any help.

It could very well be that. My car isnt running up to 100% either. If you replace those 02 sensors let me know if it fixes your problem
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Old 07-06-2009, 07:21 AM   #3
Tony71502
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Those o2's are there for a reason. You should get that fixed, mid as well do both while your in there. May not cure 100% of your car's performance issues, but it can help.
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