Why does my Gmc still show bad timing chain after the chain has been replaced?


Asked by Jimmy Sep 30, 2020 at 04:26 PM about the 2011 GMC Acadia SLT-1 AWD

Question type: Maintenance & Repair

So everyone knows the GMC timing chain issue.  
Well I replaced my timing chain.  And it still throws
the same codes.  Misfire in cylinders 1,3,5.  Help!

4 Answers


Here’s the update. Timing chain was replaced Fuel injectors replaced Spark plugs replaced Cam sensor replaced Crankshaft sensor replaced Then it gave new code of p0008 Ran alternate ground for two ground wires with no change. Other than pcm replacement I’m stuck.

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