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Ok gave the throttle body a good cleaning, and started the truck and let it run for about 3 minutes. So so far the rough idle seems to have dissipated, and the TPS sensor is running at 20.4% to the occasional 20.8%, where it was staying at 20.4%. And RPM’s are staying around 540-550rpms. Think the real test will be this afternoon when I go to work were I do most of my idling.

So my 2014 Silverado LTZ Z71 with 5.3 engine threw a code P0121 yesterday. The dreaded TPS.. Don’t know if this helps but I do a LOT of idling for work. Anyways, finally found my scanner when I found the TPS code. Started the truck this morning and the code is now gone. Put the scanner back on it and TPS is giving me a reading of 20.4% while idling. I cleared the code, and I know it most likely will return. Plan on cleaning the Throttle body for the first time when I wake up this afternoon. What is is the normal idling range for the TPS? Anything other to look at and or watch? I only run OEM parts on my truck, so is it possible to only replace the TPS sensor if necessary or will I have to replace the entire throttle body? Any other tips or advice is welcomed! Thanks!

Guess I’m off to the owners manual. Didn’t know you could do that.

I’m the only one whose had this issue?

First let me apologize if this is a repost, I am a newb on this forum and my search skills suck. Lately, naturally after warranty has run out, the screen on my truck has been giving me issues. I will be driving down the road when the screen takes a life of it's own and will select "Browse". Happens with FM radio and XM radio. I will touch the exit button and almost immediately the screen will act like I touched "Browse" again and load up again. I've tried cleaning the screen and nothing. If I gently tap on the screen with the back of my finger several times it'll quit for a while(generally a couple days) then start back up. Has anyone else had this issue? If so how did you resolve it? Thanks, David

Won't be tonight, and pics will suck as I don't have access to a lift but I can take some Shots tomorrow from driveway if that will help you brother. I have a '14 Silverado LTZ Z71 4x4

Subscribed also. While my truck has been on a life twice now I didn't pay attention to skid plates on my '14 Z71. I would assume someone could take original plastic skids and be able to manufacture something out of a Strong metal.

I assume that procedure will work for Silverados as well? Have $108 worth of H11 and 9005 Sylvania zXe I'm dreading to install.

Just bought a 5pk of IN4004 off eBay. When they come in I'll only need one. With that said I'll have 4 I'll pay forward. If anyone wants one of the 4 remaining send me a PM with your shipping info and I'll get one out to you.

I LOVE my '14 Silverado LTZ Z71! Never thought I would own a brown truck, but the color was calling my name lol Sorry for terrible iphone pic :-)