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

 

Question

Ldb3, Potwin, KS, June 30, 2014, 21:40
 Rookie

Wire and injector still misfire compression at 134 compared to the test two mechanics say new engine still runs but shakes

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  • Answer #1

    pushrod July 01, 2014, 05:34
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     Master

    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?

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  • Answer #2

    Greg's Orange Auto (13378 Answers) , Orange, CA - (714) 361-9386
    globalhelper July 01, 2014, 06:35
     Master

    could be hedgsaket issue but needs futher diag to be sure

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  • Answer #3

    DonziGT230 July 01, 2014, 18:02
     Journeyman

    Possibly a broken valve spring. Pull the valve cover and have a look.

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  • Answer #4

    DonziGT230 July 01, 2014, 18:02
     Journeyman

    Possibly a broken valve spring. Pull the valve cover and have a look.

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