Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
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If this only occured after the tuner was installed this can be an issue with programming/calibrations with the tuner itself to where it may need replaced or reprogrammed.I have seen some after market components cause electrical issues like this before.
One other issue that can cause this is a loose or corroded battery cable at the battery itself or leading from the battery.The battery power loss briefly will cause the locks to cycle and the stall out briefly like this here.
These need to be checked into to pinpoint and repair the cause here.
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The ticking noise on this model can be an issue with an exhaust leak intermittently past the exhaust gasket seal where the drivers side exhaust pipe hooks to the manifold.I have seen this gasket leak before needing replaced.
I have also seen the lifters start to fail and act up intermittently causing a tick noise.
These will have to be checked into further to pinpoint and repair the cause here.