...sensors and your getting 0420 as a final code but it has to do with air intake the fuel trim the 02 sensors or the convertor it self One of these is the ...
...sensor 1 ). P0138 is 02 circuit high voltage ( Bank 1, sensor 2). It is a good idea to replace all 4, 02 sensors at the same time, otherwise the 2 new 02 sensors on bank #1 will be transmitting Data ...
Question about 2002 Sts
...02 Cadillac Sts stalled and would barely accelerate? I recently changed the sparkplugs, cleaned the EGR valve and replaced the coils. Then the speedometer started to fluctuate and while driving it to ...
...If I had the code and exact engine I could be of more help. On the 06 caddy sts--4.6L engine 4-- 02
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