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#1
09-08-2005, 08:50 PM
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Check Eng./ETS Lights on
'97 pontiac grand AM, 2.4 4cyl. Check Eng./ETS lights are on. When coded computer reads slow/low reading from O2 sensor 1 Bank1. After changing O2 sensor twice
 still get the same reading. By using a multimeter the O2 sensor seams to be functioning properly with the exception of if the vehicle is in motion and the excelorator is let up on causeing a coast motion the O2 sensor read 0.0 Volts Could this be caused by the Idle Air Control Valve? 
Last edited by mikedsera; 09-14-2005 at 10:33 PM. 
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