1999 Lincoln Navigator Q&A
1999 Lincoln Navigator Question: O2 Sensor
can I get a good discrpptive location of the upstream O2 sensor, I will be removing and replacing it. - Visitor
Located on each pipe between the manifold and the catalytic convertrers...bank one and two. - DaveJHM
...ess Lube tell me the codes for my check engine light were P0171 and P0174. They said possible O2 sensors. Told me to take to full service garage. They will charge me an arm and leg. How do I pinp...
the code its giving me is p1131/detected bank 1 o2 is at its lean limit /probable cause misfire on bank 1 /vacuum leak affecting bank 1 / fuel injector problem bank 1
...nning rough, so I tuned it up. I used a " hand held code reader" which indicated to change the O2 sensors 1 upstream and 1 downstream and crank sensor. Changed all sensors. The truck still wont start...
P0420 trouble code. Can reset, but comes back on in 2 to 4 days. Trying to figure out if it is a 02 sensor or the catalytic converter.
truck has 185,000 miles an needs a tune up bc the chk engine light was chkd an 2 codes refering to the lean system on both codes. been told oxygen sensor possibility an spark plug need change along...