2003-04 Mach 1 Registry Owners Club - View Single Post

DanB · 07-14-2010, 06:41 PM

i would change both up stream 02s that way they register the same. make sure you do not buy Bosh!!! use the perforated Densos. this is common with that milage

07-14-2010, 06:41 PM	#7
DanB 1 man Army Join Date: Apr 2006 Location: Phoenix Posts: 2,955	Re: HELP! o2 sensor problems.. i would change both up stream 02s that way they register the same. make sure you do not buy Bosh!!! use the perforated Densos. this is common with that milage __________________ Dan