Hey guys, haven't posted in a long time. I don't drive my truck very much anymore since I have use of a company truck now. My truck is up to about 190,000 miles and recently it has started to develop a surge in rpm, followed by a rough idle for a few seconds, almost as if it's only firing on half the cylinders. This is mainly in the first few minutes after start up but can do it anytime. Truck seems to perform fine otherwise. Changed out the fuel and air filters but wonder if it's fuel pump or injector related. Thanks for any advice.
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