Having problems with your 2004 GMC Sierra 2500 ?
04 gmc siera 5.3 using oil pulling it thru the intake no smoke no leak
\015 Its using oil 102000 miles no leaks anywhere and no smoke from tailpipe. i can see its in the throtle plate but could the fixed pcv valve be the problem?\015
Repair Help & Product Troubleshooting for 2004 GMC Sierra 2500
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