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Old 08-03-2008, 10:28 PM
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Angry 2002 Sentra Fast idle

I have a 2002 Sentra XE. When I start my car it has a fast idle and does not stop idleing.I drove it around the corner it still idle fast and felt as if someone was reving the engine. I recently took it to All Tune and they put it on the computer and it came back with a dianostic code p0031 oxygen heater circuit. could that have any thing to do with the car idleing so fast. I love my car it is great on gas! :) Never had any problems until now!:( Please Help!!:helpsmi lie::helpsmili e:
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Old 08-03-2008, 10:57 PM
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yeah u migh need to replace it. if u can inspect the sensor

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Old 08-04-2008, 02:28 AM
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Originally Posted by tmorales View Post
...does not stop idleing....p0031 oxygen heater circuit...
DTC P0031 does affect engine RPMs.

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Old 08-04-2008, 06:32 AM
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The 02 sensor will need to be replaced and all codes cleared.I would preform the idle air volume learn proceedure and go from there.

Last edited by tech22; 08-04-2008 at 06:35 AM.
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Old 08-04-2008, 03:43 PM
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Thank You all for your help! I will replace the sensor and see if that might work....Does any one else know what could cause the car to idle so high.
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