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I keep getting my CHECK ENGINE LIGHT coming on with the same code in my 2014 2LT. I take it to the dealer and they find nothing wrong. has anyone else run into this problem. If so, how was it fixed? The car only has 34100 miles on it.
First off you’re not the only one with a random misfire on your car !!...it can be MANY things so we would only be guessing what’s wrong...is this a misfire that you can actually feel ??...surprised a dealership could not find something...with a scan tool they should at least see misfires in “history”...find yourself a new dealership or a good diagnostic shop with the right equipment and save yourself some money !!
I was chasing the PO300 misfile code on another LS powered vehicle that I owned. It was under warranty, so took back to dealer several times. They finally replaced a single fuel injector that fixed the problem.
I keep getting my CHECK ENGINE LIGHT coming on with the same code in my 2014 2LT. I take it to the dealer and they find nothing wrong. has anyone else run into this problem. If so, how was it fixed? The car only has 34100 miles on it.
not trying to be that guy but .... take it to another dealer as the software they use GDS2 will not only tell them that it had had a random misfire , it will also tell them what cylinder . From there its just a simple diagnostic procedure as its either the plug , coil , wire or fuel injector, all which have their separate tests to determine if there is something wrong
I was chasing the PO300 misfile code on another LS powered vehicle that I owned. It was under warranty, so took back to dealer several times. They finally replaced a single fuel injector that fixed the problem.