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2016 silverado bad spark plugs

dumbasssilveradoowner16
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dumbasssilveradoowner16 New Member

dumbasssilveradoowner16

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2016 silverado owner …. Already rebuilt transmission, condenser replaced… I’m at 92k and my truck is running like ******, ended up changing the spark plugs and 2 of them were in VERY bad shape, surprised the check engine light never came on… but manual says change at 90-100k but my mechanic hommie said 45k… but it was the 2 back spark plugs #4 and #8.. almost the same issues as bad torque converter and transmission

 

 

WT35002017 Enthusiast

WT35002017

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Use a catch can and the plugs will stay clear. The crankcase vent dumps oil on those cylinders if no catch can used. 

diyer2 Senior Enthusiast

diyer2

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Posted

2 cylinders may have a problem with bad plugs. 

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