2007 Chevrolet Suburban 1500 Q&A

2007 Chevrolet Suburban 1500 Question: Hello I have a 2007 suburban with a cylinder 6 misfire changed the plug coilpack

Wire and injector still misfire compression at 134 compared to the test two mechanics say new engine still runs but shakes -
Answer 1
Injector balance test and smoke test for vacuum leak been performed??... Yeah, I read about all the parts that have been installed, but have these test been done? -
Answer 2
could be hedgsaket issue but needs futher diag to be sure -
Answer 3
Possibly a broken valve spring. Pull the valve cover and have a look. -
Answer 4
Possibly a broken valve spring. Pull the valve cover and have a look. -