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Posted

2014 GMC Sierra 1500

5.3 L

 

Oil pressure started jumping from 40 to 50 pounds under light throttle.  When the oil pressure get up the motor has a misfire on cylinder 6.  
 

I am no mechanic and am hoping for some ideas of where to start looking or troubleshooting.

Posted

Cylinder 6 is an AFM cylinder.  Sounds like a VLOM solenoid is mis-timing and causing cylinder 6 to have lifters act up.  

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