Has anyone purchased and installed one of these?
Exhaust leak? Check around the o2 sensor and the clamp mounting the dp to the turbo, might need retorqued or refitted
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That's the next thing I have to check, changed all coils and plugs
Changed o2 sensor
Checked for vaccum leaks and have had no luck
How did you find out it was running lean?? DTC in ecm? How are the fuel trim?
Jetta GLI 2002 vr6 24v: ABD CAI, TT cams, ECS crank pulley, Gruven Parts water pump + tensioner pulley, 4bar fpr, Unitronic stage 2 with Magnaflow high flow cat and rear resonator, 034 track mounts, GC spring/Koni yellow , Autotech rear sway bar/no front, Neuspeed strut bar, TT lca/spindle, , Ecs 12.5mm spacer, Hawk HP+ with 12.3in, To come: 13.1 brakes with 4pot touareg caliper!