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Discussion Starter #1
I pulled 6 codes on my 96 CE LT-1 yesterday.

P0151
P0153
P0154
P0171
P0174
P1153

All seem to point to the O2 sensors, but as I researched the codes I gained info that led me to believe this could be something other than the O2 sensors.

Any thought sou there on this? I hate to replace 4 O2 senors and it be something else. At speed it seems to run fine, but I do sense a rough idle when I stop at a light....RPMs are @ 650 or so.
 

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...mine idles about that, but it has a slight miss to it, after
power runs fine, maybe a vacuum leak, I wouldn't be replacing
4 O2 sensors without certainty.....:D

...some of the GearHeads will probably jump in shortly....:thumbsup:
 

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Discussion Starter #3
Well I have read that it could be several different issues. Looks like the O2 sensors are not the point of the problem. Does anyone have a departure point? What should I look at first? MAF sensor? Plugs, wires, fuel filter? This is nuts!!!
 
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