o2 oxygen sender 1994 sunbird

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  #1  
Old 02-26-08, 07:03 PM
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o2 oxygen sender 1994 sunbird

hi if service light o2 sender come on them go off , does not come back on does that mean it still ok the o2 sender, some time went you start the car went warn take a little longer to start went it start it will run fast them settle down , if car is cold no problen
 
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Old 02-27-08, 04:22 AM
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You've determined it was an O2 sensor by reading the codes? You may simply neeed some routine tune-up work. When was the last time it had new spark plugs, wires, fuel filter, etc?
 
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Old 02-27-08, 09:39 PM
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02 sender

yes the code reader say 02 sender, new wire and plugs 2 year ago fuel filter 4 month ago
 
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Old 02-28-08, 05:48 AM
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If the light is not on, there is no problem detected.
 
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Old 02-28-08, 12:45 PM
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If you haven't replaced the O2 sensor in the last 50K Miles, do it. The oxygen sensor generates a voltage depending on the amount of oxygen left in the exhaust, they run very hot (600 degrees) and eventually fail, usually slowly. If your setting an O2 code of any kind it will only get worse, your engine will not run as well and your gas mileage will go down. The computer tracks the output of the sensor and if it spends too much time in the rich or lean area it sets a code. Replacing the sensor is the only real way of checking it, they run from $15 -$30 on Rockauto.com or you can get them locally at any car parts store. While your at it, a general tune up is a good idea, plugs, distributer cap and roter and wires if they are over 75K miles old. Then your good to go.
If your going to have the work done you can save some money by buying the part yourself and paying a mechanic to install them. Car repair shops will often double or even triple the retail price of a part, then charge you to install it. A little leg work will save you some bucks.
 
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Old 02-28-08, 12:58 PM
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02 sender

hi this guy write .If the light is not on, there is no problem detected
 
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