Stabilitrak light on TCS light on blinking engine lighy

Asked by Aug 11, 2018 at 03:43 PM about the 2008 GMC Yukon XL

Question type: Maintenance & Repair

I have a 2008 yukon xl 5.3 My stabilitrak, TCS, and
engine light came on, real rough idle and shift from
gear to gear no ticking, knocking etc! so I took it to
get read and they said it was a misfire on cylinder
6. So I ended up giving it a tune up plugs, wires and
all the packs! Still misfire so I took it back to get
read again! And they said that the number 6 fuel
injector is not working. Ok bought a fuel injector
installed it and boom just like that its still misfiring
but this time with a ticking noise! Help please I just
spent a bunch of money on stuff that wasn't the
problem please someone shed some light. I really
can't afford to take to a shop let alone a dealer!
Thanks in advance.

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