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Discussion Starter #1
Hi in diagbox my post cat 02 sensor shows as weak and there isn't a reading from it, do I need a new one
 

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it will put the EML on if its broke, i just used a cheap ebay one when i swapped and worked fine, but was a pig to get out.
 

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Discussion Starter #3
No eml light on, just shows as weak, only checked it with diag as when you hold the accelorater pedal slightly down do rev car at 1300 to 1500 revs is fluctuating
 
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