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Fuel Primer Sound

lebag335

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lebag335 Enthusiast

lebag335

Posted
Posted

I now have 5550 miles on my TB LT. Right at 5500 miles the fuel pump primer noise when you open a door after its set awhile has stopped. Truck runs great, no errors. It just doesn’t make the noise anymore. Has anyone else’s done this? I kinda liked hearing the sound! 

lebag335 Enthusiast

lebag335

Posted
  • Author
Posted

Disregard. Mods feel free to delete. Sound is there. Guess I need to invest in hearing aides. 

2016 Sierra Owner Senior Enthusiast

2016 Sierra Owner

Posted
Posted
18 hours ago, lebag335 said:

Disregard. Mods feel free to delete. Sound is there. Guess I need to invest in hearing aides. 

I was going to say why don't you trade trucks with someone that finds the sound annoying. LOL

 

Black02Silverado Senior Enthusiast

Black02Silverado

Posted
Posted

I was going to say that you basically got use to hearing it and just didn't notice it anymore. 

 

What gets me is why does it do it?  All the vehicles on the road for how many years and you never really heard such a loud sound.  What is the main reason for it now?  Don't say it is because of DI engines.  There are plenty out that are DI and you don't hear the pump.  Just curious is all as to why it is so loud now.

Cpl_Punishment Senior Enthusiast

Cpl_Punishment

Posted
Posted
On 10/10/2019 at 4:59 PM, Black02Silverado said:

I was going to say that you basically got use to hearing it and just didn't notice it anymore. 

 

What gets me is why does it do it?  All the vehicles on the road for how many years and you never really heard such a loud sound.  What is the main reason for it now?  Don't say it is because of DI engines.  There are plenty out that are DI and you don't hear the pump.  Just curious is all as to why it is so loud now.

Is it because of push button start? I always turn the key to Run for a few seconds before starting to let the fuel pump prime, though I may be a rarity in that respect. Not sure how you would do that if you have a button instead of a key. 

eppieguy Senior Enthusiast

eppieguy

Posted
Posted

With the push button starts as soon as you open the door, to start or not to start the fuel pump makes it's priming sound.

B R A D Enthusiast

B R A D

Posted
Posted
Is it because of push button start? I always turn the key to Run for a few seconds before starting to let the fuel pump prime, though I may be a rarity in that respect. Not sure how you would do that if you have a button instead of a key. 
Mine is a keyed start (2018) and it does it... my 2016 done it as well.

Sent from my SM-N975U using Tapatalk

2016 Sierra Owner Senior Enthusiast

2016 Sierra Owner

Posted
Posted
2 hours ago, Cpl_Punishment said:

Is it because of push button start? I always turn the key to Run for a few seconds before starting to let the fuel pump prime, though I may be a rarity in that respect. Not sure how you would do that if you have a button instead of a key. 

No they started the fuel pump priming when the door is opened on the 17 year models and up. My 16 does not do this.

 

  • 3 months later...
Jetblackz28 Enthusiast

Jetblackz28

Posted
Posted

I was wondering what the noise was. I assumed it was the fuel pump. Mine does it as soon as I press the unlock button on my fob. I have a 20 Silverado LT with the 5.3

RaisedByWolves Enthusiast

RaisedByWolves

Posted
Posted
On 10/10/2019 at 6:59 PM, Black02Silverado said:

I was going to say that you basically got use to hearing it and just didn't notice it anymore. 

 

What gets me is why does it do it?  All the vehicles on the road for how many years and you never really heard such a loud sound.  What is the main reason for it now?  Don't say it is because of DI engines.  There are plenty out that are DI and you don't hear the pump.  Just curious is all as to why it is so loud now.

My dad was big on VWs and both buses he owned did this.

 

 

One made a rapid clicking/ticking sound until the fuel pressure came up and the newer one made a ticking sound.

 

My Kubota tractor has a lift pump and does the ticking also.

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