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5.3L normal idle rpm

roweac

By roweac
in Engines & Drivetrain

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roweac New Member

roweac

Posted
Posted

Hi, new here. I searched and could not find an exact answer so I thought I would ask. What is the "normal" idle rpm for the 5.3L ecotec? Mine seems to idle right at 500rpm. I am not having any problems it just seems low.

 

Thanks in advance

 

2014 Silverado LT Z71 5.3L

roweac New Member

roweac

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Cool thanks. Appreciate the info. This is my first Silverado and I started with the 2014. Before that I had a 2011 Suburban LT Z71, 2009 Avalanche LT Z71, 2004 Avalanche LT Z71. All three had the previous 5.3L Vortec and im pretty sure it idled a little higher.

 

Thanks again and glad to be a member looking forward learning more on here.

LongrangeLauber Senior Enthusiast

LongrangeLauber

Posted
Posted

Cool thanks. Appreciate the info. This is my first Silverado and I started with the 2014. Before that I had a 2011 Suburban LT Z71, 2009 Avalanche LT Z71, 2004 Avalanche LT Z71. All three had the previous 5.3L Vortec and im pretty sure it idled a little higher.

 

Thanks again and glad to be a member looking forward learning more on here.

My 02 also idles at 500 rpms
roweac New Member

roweac

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Really... I could definitely be wrong because in the previous vehicles I didn't pay to much attention. It was a well known engine. I was just curious about the new ecotec. Could there be a difference between the Silverado and the more SUV like Avalanches with the same engine.

flyin99 Enthusiast

flyin99

Posted
Posted

Mine is just below the 500 RPM mark, when warm, in gear....

Chris Senior Enthusiast

Chris

Posted
Posted

I didn't know that these new DI 5.3's were ever put into avalanches.

They didnt, you must have read wrong. Near the end it was no longer DI specific
roweac New Member

roweac

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Yeah, I was just wondering what normal was for the new Ecotec. The old engine 5.3L Vortec, evidently idled the same I just didnt pay any attention, and at the end I was wondering if there was a difference in say an 07 Silverado with the 5.3 and an 07 Avalanche or Suburban with the 5.3.

 

As far as I know the 2014 Silverado/Sierra was the first application of the Ecotecs.

fondupot Senior Enthusiast

fondupot

Posted
Posted (edited)

500 for me. I had it raised to 600 with my Blackbear tune tho. Seems to idle better at 600.

Edited by fondupot
LongrangeLauber Senior Enthusiast

LongrangeLauber

Posted
Posted

500 for me. I had it raised to 600 with my Blackbear tune tho. Seems to idle better at 600.

Not a bad idea. I noticed while the truck is just idling and I turn the wheel the EPS pulls a lot of amps and all the lights dim until you let off of it. Obviously not a huge deal, just makes me wonder why lol
fondupot Senior Enthusiast

fondupot

Posted
Posted

Not a bad idea. I noticed while the truck is just idling and I turn the wheel the EPS pulls a lot of amps and all the lights dim until you let off of it. Obviously not a huge deal, just makes me wonder why lol

 

Yea my truck seemed to have excess idle vibration at 500 rpm. There was a bulletin that was supposed to fix it, it helped a bit. Once I had it raised by Blackbear to 600rpm, can't even notice it idling sometimes.

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