HELP! o2 sensor problems.. - 2003-04 Mach 1 Registry Owners Club

dark-knight · 07-14-2010, 03:03 PM

i tried doings some research, but couldnt find a straight accurate answer. i gotta pick my son up in panama city in 2 days and dont wanna drive the mach with problems..... my Mach threw a SES light, so i check the codes with my diablo tuner. codes came as :
P0138-o2 sensor high voltage, bank 1, sensor 2

P2271 o2 sensor signal stuck rich bank 1, sensor 2

clearly somethings up with that sensor. one thing im tryin to find out is. Which sensor is this? and what could cause this, Im just gonna buy a new one and replace it. thanks fellas

07-14-2010, 03:03 PM	#1
dark-knight Registered User Join Date: Sep 2009 Location: jacksonville fl Posts: 224	HELP! o2 sensor problems.. i tried doings some research, but couldnt find a straight accurate answer. i gotta pick my son up in panama city in 2 days and dont wanna drive the mach with problems..... my Mach threw a SES light, so i check the codes with my diablo tuner. codes came as : P0138-o2 sensor high voltage, bank 1, sensor 2 P2271 o2 sensor signal stuck rich bank 1, sensor 2 clearly somethings up with that sensor. one thing im tryin to find out is. Which sensor is this? and what could cause this, Im just gonna buy a new one and replace it. thanks fellas __________________ built 290 stroker \| 150shot \| driver mod

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