trouble codes, define

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San Clemente, CA
#1
My check engine just came on and went to get it check out they told me that i had a misfire in # 3 cylinder and some thing to do with the secondary air injection. What does it mean. please [duh]
 
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104
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0
Location
netcong nj
#2
the dme picked up a missfire on cyl 3, could be caused by many things, also the secondary air system was not injecting the right amount of air upon start up, could be the air pump, check valve, selonoid, or vacuum leak in the hose to the valve if it has one
 


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