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06-13-2013, 07:25 PM | #1 |
Registered User
Join Date: Apr 2013
Location: Knoxville TN
Posts: 1,170
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Plugs 1,3,5,7 ok; 2,4,6,8 fouled
Just fired up the new 5.7L vortec in parents 1999 K1500.
Plugs on drivers side perfect. Plugs on passenger side progressively worse: 2=slightly discolored, 4=just starting to get black, 6=black, 8=very black. Anyone know what's going on? Does right O2 sensor logic control right bank spider injectors separately? Mouse sleeping in exhaust pipe? Fuel leaking under upper manifold? |
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