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Mannywun
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hey everyone my Altima is giving me high and low rpm on park and im getting code po223,po123,po300,po1121.... I think it might have to do with the throttle body my dad said he cleaned it with throttle body cleaner and starting giving us a lot of codes I just came back from junk yard but all the Altima had already been stripped down to the fullest!... is there any way I can test the throttle body with a multimeter and what are the wired suppose:nerd to be reading at?? :crying
 

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The code you have is for a Inconsistent reading between the Throttle Position Sensor and Mass Air Flow sensor. I would check the air intake tube for any broken vacuum tubes and chek for any air leaks. If it looks good, might need to reaplace the TP sensor,or you can have a bad MAF sensor.

here's a link i found for more info P0123 - OBD-II Trouble Code
 
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