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GMC Forum: 2013 Yukon Denali 6.2L Engine/Lifter Issues
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  #1  
Old 08-06-2018, 01:38 PM
esanders419 esanders419 is offline
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Default 2013 Yukon Denali 6.2L Engine/Lifter Issues

I have a 2013 Yukon Denali that possibly has a broken lifter or camshaft? It only has 49K miles on it, and has never been used for anything more than the daily commute and running errands. Has anyone else had this problem? If so, did you have to have the motor rebuilt or completely replaced?

I noticed quite a few people have had "lifter tick" when it is cold, but my lifter noise is accompanied by the blinking malfunctioning engine check light and now she will only go up to 25 mph, like she is limping.
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Old 08-11-2018, 10:02 AM
SteveC SteveC is offline
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USUALLY a blinking engine check light indicates "multiple misfires" and yes you are in "limp mode" that is to say the computer fires one bank then the other, there is no firing sequence.
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