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Anyway to test lambda / o2 sensors??

802 views 3 replies 2 participants last post by  typerchris 
#1 ·
Hi,

Well im still trying to find my cold hesitation problems not having much luck up to now.

Someone advised me to check my lambda sensors so while the car was running i unpluged each sensor and the idle didnt change at all.

What is the best way to see if they are operating if any??
 
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