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2007 Pontiac G6 Question: Low compression, all Cylinders...how do I replace timing chain?

 

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jbnms99, 3.6L V6, Mulberry, IN, May 06, 2013, 11:27
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I have a '07 G6 GTP, I have spark, and I have gas...my thought is it should go boom...tried ether and still nothing. It will crank but thats it. I used a compression tester and only have 30 lbs of pressure on each cylinder which i believe is supposed to be like 125 lbs. I am most certain it isn't a bent valve so my only other thought is timing. Can anyone tell me if it is computer controlled or is there a belt or chain and how to fix this? Thanks

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