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Discussion Starter #1
Both upflow and downflow o2 sensors need to be replaced on my '98 base, seen a set online that was priced well but doesn't say if they are upflow/downflow or universal or what. If anyone knows if it doesnt matter please let me know, also my car is a 5 speed-not sure if they make different ones for automatics as well,Thanks
 

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Discussion Starter #4
^^^^
NTK or Denso. Whatever you do, don't use Bosch.
Denso looks good, is there any difference in the upflow/downflow sensors besides the length of the plug wire?
 
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