EFI has Choke?
#21
EFI has Choke?
How, please explain, could it POSSIBLY compensate for altitude w/o either a MAFM or a MAP (manifold absolute pressure) sensor?
and if you think back the corvette had fuel injection in the late 50"s that didnt have all those sensors on it
#22
EFI has Choke?
Originally posted by: aksafari
Why would it be different? If it's called EFI, it's EFI. Electronically Controlled Fuel Injection. How, please explain, could it POSSIBLY compensate for altitude w/o either a MAFM or a MAP sensor? It's a contradictory set of ideas.
Why would it be different? If it's called EFI, it's EFI. Electronically Controlled Fuel Injection. How, please explain, could it POSSIBLY compensate for altitude w/o either a MAFM or a MAP sensor? It's a contradictory set of ideas.
#23
EFI has Choke?
in a atv with a carb, the thinner air on a mountain causes the jetting to be lean, i dont know which, and coldness makes jetting lean. if a new exhaust also makes jetting leaner. why cant efi make the jetting right with an exhaust, when it can make it right in the cold. efi doesnt need to be adjusted, unless its not really efi. how do you adjust efi anyway, usb ports and computer program? or some kind of cable that hooks up to a computer or something? does the lt-r450, kfx450, or ds450 and other racers with efi need to be adjusted on efi when it gets piped
#24
EFI has Choke?
Originally posted by: ka24de
Who said it doesn't have a map sensor. Yamaha calls it a "intake air pressure sensor" which is the same idea as a "manifold absolute pressure" sensor smartypants! That is how it compensates for altitude by measuring air density.
Originally posted by: aksafari
Why would it be different? If it's called EFI, it's EFI. Electronically Controlled Fuel Injection. How, please explain, could it POSSIBLY compensate for altitude w/o either a MAFM or a MAP sensor? It's a contradictory set of ideas.
Why would it be different? If it's called EFI, it's EFI. Electronically Controlled Fuel Injection. How, please explain, could it POSSIBLY compensate for altitude w/o either a MAFM or a MAP sensor? It's a contradictory set of ideas.
SO, read the entire thead.
#25
EFI has Choke?
Originally posted by: aksafari
As a matter of fact, Captain Quint said it. I quote "The problem is that the EFI systems being used on ATVs are very, very rudimentary. They cannot adapt to changes in things like exhaust and intakes without changes to the ECM mapping in many cases..."
SO, read the entire thead.
As a matter of fact, Captain Quint said it. I quote "The problem is that the EFI systems being used on ATVs are very, very rudimentary. They cannot adapt to changes in things like exhaust and intakes without changes to the ECM mapping in many cases..."
SO, read the entire thead.
I read the entire post mr. attitude
#26
EFI has Choke?
You have a frighteningly simplistic view of how EFI works. But, consumers like you drive the aftermarket electronics industry.
You should try doing the math some time on how much, percentage wise, air mass changes from sea level to 5000 ft. Then do some math about air filters.
You should try doing the math some time on how much, percentage wise, air mass changes from sea level to 5000 ft. Then do some math about air filters.
#27
EFI has Choke?
EFI automatically compensates for EVERYTHING. Ever heard of a car/truck that's fuel injected that needs any manual adjustment??? Do you think that your 1992 Chevy K2500 needs some sort of 'computer adjustment' when you put on a K&N or 3" exhaust with headers?
#28
EFI has Choke?
An intelligent comment from an educated point of view. I can respect that.
Good thing we're past the 'old days'. VW used to use mechanical fuel injection with electronic support, but not any more. The old 280Z Bosch fuel injection was crap, but it was incredible for its time.
In the futuristic present, we shoudn't be debating what does and doesn't. There shouldn't be a need. WHY whould Suzuki go BACKWARD in technology, with an incredibly simple task of fuel injecting a single cylinder engine. Suzuki knows fuel injection, they should stick to what works. Does anyone here think that you can't drive your XL-7 or whatever over the Rockies because it can't handle 8000 ft? For the money we're spending, and the SUPER CHEAP cost of an EFI system, it shouldn't be anything but GREAT.
Good thing we're past the 'old days'. VW used to use mechanical fuel injection with electronic support, but not any more. The old 280Z Bosch fuel injection was crap, but it was incredible for its time.
In the futuristic present, we shoudn't be debating what does and doesn't. There shouldn't be a need. WHY whould Suzuki go BACKWARD in technology, with an incredibly simple task of fuel injecting a single cylinder engine. Suzuki knows fuel injection, they should stick to what works. Does anyone here think that you can't drive your XL-7 or whatever over the Rockies because it can't handle 8000 ft? For the money we're spending, and the SUPER CHEAP cost of an EFI system, it shouldn't be anything but GREAT.
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