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2000 Chevrolet Silverado 2500 Question: i have two codes po,160 an po, 140, engine light is on .

 

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tuggboatt1962, Kennebunkport, ME, July 28, 2012, 09:48
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want to know where an what to look for..

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  • Answer #1

    joelburke26 from Joels Auto Service, July 28, 2012, 10:56
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     Master

    p0140.oxygen sensor no activity bank 1 sensor 2.p0160 oxygen sensor no activity bank 2 sensor 2.i believe thats both o2 sensors on both sides after the catalyst.

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    tuggboatt1962, July 28, 2012, 18:13
     Rookie

    what does these mean for me , i just got the truck an i see it has no stock exhaust, i see what looks like headers pipes, off the manafold into a muffler out to the side of the truck... i can see a sencer at the end of the header pipe, ?

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    ziptie12, July 29, 2012, 20:28
     Master

    Check to see that the rear sensors are there and plugged in (you should have 4 sensors total)

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    tuggboatt1962, August 02, 2012, 18:41
     Rookie

    thank you very much.. i only see two sencer one on both sides at the end of the header pipe, are you telling me the two sencers are no good, ? how can i know they r no good ,, ? and the truck seems to be running rich if you will, will this hurt the moter?...

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