Turbo gauge

[JR RANGER]

I have a 2024 Ranger XLT FX4 4X4 which I just love anyway can anyone help me understand reading the turbo boast gauge. While driving I can see the gauge move up. So if it moved a 1/4 way up the gauge the turbo is spoiling up 1/4 %?
Other explanations welcome.
JRRanger

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[SubaruRaptor]

It just means you running at a lower boost, not that your are spooling up to 1/4%. You spool generally at the same rate regardless of what you are doing, its how much boost you have built up that the gauge is showing.

 

[JR RANGER]

It just means you running at a lower boost, not that your are spooling up to 1/4%. You spool generally at the same rate regardless of what you are doing, its how much boost you have built up that the gauge is showing.

Thanks so when/how does it effect your mpg.

 

[Hootbro]

The bar graph gauges on the XL/XLT kind of suck for that reason.

 

[SubaruRaptor]

Thanks so when/how does it effect your mpg.

There is no reason to stay out of boost to try and save fuel or whatever. Your computer in the truck tells the fuel system to send the correct amount of fuel for whatever you are doing. Sometimes in run richer, sometimes leaner.

 

[JR RANGER]

There is no reason to stay out of boost to try and save fuel or whatever. Your computer in the truck tells the fuel system to send the correct amount of fuel for whatever you are doing. Sometimes in run richer, sometimes leaner.

Thanks again for the explanation. Just wanted some general info on it. My 1st turbo engine.

 

[SubaruRaptor]

Thanks again for the explanation. Just wanted some general info on it. My 1st turbo engine.

The biggest thing to know for turbo engines is that you dont make full power till full boost, which means youll be 2-4k RPMS usually (in a given vehicle) before full boost and full power and torque is there. Other then that, its like any other engine really.

The biggest maint item really comes down to air filters honestly. You want to make sure you can always get as much air into the engine as you can do build boost reliably and smoothly.

 

[Ranger #1]

It just means you running at a lower boost, not that your are spooling up to 1/4%. You spool generally at the same rate regardless of what you are doing, its how much boost you have built up that the gauge is showing.

Hey SubaruRaptor, mine barely reads until I am on the highway and then it reads maybe 8 to 10 psi if I'm reading it right ,it's a brand new 2024 ranger ,I don't know if that normal or not , the lower the number is better or the higher the number,??? can anyone help me with this answer

 

[SubaruRaptor]

Hey SubaruRaptor, mine barely reads until I am on the highway and then it reads maybe 8 to 10 psi if I'm reading it right ,it's a brand new 2024 ranger ,I don't know if that normal or not , the lower the number is better or the higher the number,??? can anyone help me with this answer

So the guage shows vacuum and pressure. Below zero you are running a vacuum and means no boost. Above zero means you have pressure in the system and are generating boost. Normal driving doesn't generate a ton of boost. It will only generate enough boost to meet demand aka pedal to the ground will generate max boost. If you are driving normally or trying to get on the highway then thats normal.

 

[Ranger #1]

So the guage shows vacuum and pressure. Below zero you are running a vacuum and means no boost. Above zero means you have pressure in the system and are generating boost. Normal driving doesn't generate a ton of boost. It will only generate enough boost to meet demand aka pedal to the ground will generate max boost. If you are driving normally or trying to get on the highway then thats normal.

Thanks ? love this forum

 

[scrappyisbe]

There is no reason to stay out of boost to try and save fuel or whatever. Your computer in the truck tells the fuel system to send the correct amount of fuel for whatever you are doing. Sometimes in run richer, sometimes leaner.

the boost gauge is a direct measurement of power, the higher the boost is, the more power/ fuel the truck is using.

 

[SubaruRaptor]

the boost gauge is a direct measurement of power, the higher the boost is, the more power/ fuel the truck is using.

Its only a direct measurement of boost not power. The are closely aligned, but you wont be making max power under max boost if you arent at the right rpms.

 

[scrappyisbe]

Its only a direct measurement of boost not power. The are closely aligned, but you wont be making max power under max boost if you arent at the right rpms.

power is directly related to boost which is created by rpm and engine load. At low speed/high load conditions the boost is less because the airflow isnt there for full power BUT it IS the full boost and power that the engine can produce for the load at hand. At high load/ rpm you will have max power AND boost because the airflow is there to drive the turbos to make boost. Boost is not a measurement of absolute power in all conditions but it is an indicator of engine load at a given speed. that tells how much power the engine is producing to meet the load

 

[Blowndodge]

power is directly related to boost which is created by rpm and engine load. At low speed/high load conditions the boost is less because the airflow isnt there for full power BUT it IS the full boost and power that the engine can produce for the load at hand. At high load/ rpm you will have max power AND boost because the airflow is there to drive the turbos to make boost. Boost is not a measurement of absolute power in all conditions but it is an indicator of engine load at a given speed. that tells how much power the engine is producing to meet the load

Thanks for clearing that up. I was going to wade in but it wasn't worth it. Too many believe they have expert advice.

 

[SubaruRaptor]

power is directly related to boost which is created by rpm and engine load. At low speed/high load conditions the boost is less because the airflow isnt there for full power BUT it IS the full boost and power that the engine can produce for the load at hand. At high load/ rpm you will have max power AND boost because the airflow is there to drive the turbos to make boost. Boost is not a measurement of absolute power in all conditions but it is an indicator of engine load at a given speed. that tells how much power the engine is producing to meet the load

You realize you have said the same thing that I was saying??? Thanks for agreeing.

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