hawaiian808

do i really have to reset the computer/ from what i read, the ecu is always in learning mode, so if you swap it it will learn these new injector without having to reset it?

kyledye25

I did when I swapped my injectors. Kinda wish I didn't. I have read on here that many people dont bother. My mpgs went down 3-4 mpgs for a few tanks. Back went back up. No better then before though. But runs better. I wouldn't bother doing it. If I did it again I wouldn't. Just me though. More people will chime in.

liftedjeepxj

Just swap the injectors. The rest happens on its own. I went from 10.1 to 10.9 mpg says the digital read out in the overhead console.

99 Purple XJ

Yes reset it its easy whats to lose radio stations itll take you an all off 2 mins iff that

89Laredo

Do it.
After 50 key cycles fuel maps are established and only slightly changed to accommodate for load, etc. You may notice a difference in MPG just by swapping injectors, but not as much as possible.

Takes 2 mins, I dont see what people find so hard about this.

99 Purple XJ

Exactly

tavish_g

I reset mine anytime I modify anything to do with, air, fuel or timing.

hawaiian808

Back from the dead, been busy, I know its easy but my question is, since the ecu is always in learning mode why do you need to? It will adjust to the new injectors just as fast without learning it over again

89Laredo

It is not "always in learning mode"...
Did you not read my earlier post?

hankthetank

I just put in the Ford yellows...had a full tank when I did it. When I was finished, it went through half a tank in 100kms, then smartened up. Been good ever since. I had the battery disconnected while I did it, so for an hour or so...if that's not a reset I don't know.