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Jeff Da Idiot
Dodge Dakota
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10/31/2010
01:39:27

Subject: Xf2e fuel injectors from 5-0 motorsport
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Message:
I have 280 miles on em, and my trucks mileage was 12 mpg
with the old fuel injectors, with the new ones it is at 11.9,
what's up with these injectors? Either they suck or I put em
on wrong, maybe I have something else on my truck not
working right.



daddio
Dodge Dakota
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10/31/2010
10:06:54

RE: Xf2e fuel injectors from 5-0 motorsport
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How are you calculating your mileage? Fill up, record mileage from odometer, run until it's time to fill up again. Then divide the number of miles traveled by the gallons to refill. You cannot accurately calculate mileage by anything less.

How are all of the other ignition components? Proper tire inflation and alignment? Since you changed the injectors, have you been "puttin your foot in it" more than before?



Jeff Da Idiot
Dodge Dakota
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10/31/2010
23:53:40

RE: Xf2e fuel injectors from 5-0 motorsport
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Yup, im sure i installed them good, but like i said before they were a little on the short side, but i still see no leaks. Tire inflantation maybe is throwing off my MPG since its already getting super cold in Vegas, umm and yeah alignment is fine, i have not been puttin my foot in it, and i do need a new starter because everytime the truck hasnt been running for a couple of hours it takes a while to start, but when its warm it always starts on the first time. Altenator is fine. and i have a new battery on her.
So far i am looking at the mpg thing inside the cab, was at 12 then went to 12.1 then went down to 11.9 but before the new injectors my mpg was recorded as 12 mpg. never changed. unless i raced it it went to 11.9 or 11.8



daddio
Dodge Dakota
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11/01/2010
07:13:56

RE: Xf2e fuel injectors from 5-0 motorsport
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"and i do need a new starter because everytime the truck hasnt been running for a couple of hours it takes a while to start, but when its warm it always starts on the first time."

That is not the starters fault. The fuel system is leaking pressure, probably from the check valve in the fuel pump assy. After the truck has been sitting for a while turn the key to "on" a couple of times before turning it all the way to start. It should fire right up then.

And I am not sure how accurate that ovehead mileage computer is. With winter you will see a mileage drop.



yea
Dodge Dakota
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11/01/2010
09:21:47

RE: Xf2e fuel injectors from 5-0 motorsport
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Message:
Jeff what size were the injectors?
and what year is your motor?



Jeff Da Idiot
Dodge Dakota
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11/01/2010
11:40:17

RE: Xf2e fuel injectors from 5-0 motorsport
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Message:
Daddio, the fuel pump has to be replaced then? I'll try that
trick u said as soon as I get outta school. And it does smell
like gas alot when I first start it but it thought it was normal
since the truck is gettin kinda old. 95,000 on mileage.
I filled up the tank not too long ago, I'm already less than
halfway down my tank so I'm gonna calculate it soon. I'm a
check how accurate it is lol.

Yea, the injectors are xf2e Bosch. And the motors year is a
2000. SLT.
Flow rate: 22lbs/hr at 43.5 psi.
Length: 3 inches, 74 mm
Diameter: 19 mm
Top and bottom, 14 mm
Resistance: 14.5 Ohms




daddio
Dodge Dakota
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11/01/2010
13:51:41

RE: Xf2e fuel injectors from 5-0 motorsport
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If you're smelling real rich there isdefinitely something else wrong. My truck has 135k with the original O2's and everything else and it does not smell rich at all. And it still gets good mileage for a truck that is pratically stock.



Jeff Da Idiot
Dodge Dakota
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11/01/2010
19:11:28

RE: Xf2e fuel injectors from 5-0 motorsport
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Yeah I got new o2 sensor on her, downstream and low
stream, the NGK ones too. So those are fine. Ya think it the
fuel pump?



Jeff Da Idiot
Dodge Dakota
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11/01/2010
19:18:02

RE: Xf2e fuel injectors from 5-0 motorsport
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Message:
Oh I passed smog like 2 days ago too. So idk if that is
important info, but yeah that's only problems I got with the
truck, my calipers are bad cause I checked them the other
day, my first start on the truck(dont know what it is yet) and
my left cigarette lighter thing lol, and yeah other than that the
truck is awesome :)



daddio
Dodge Dakota
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11/02/2010
07:11:08

RE: Xf2e fuel injectors from 5-0 motorsport
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Message:
Test fuel pressure according to specs.



Jeff Da Idiot
Dodge Dakota
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11/02/2010
10:42:38

RE: Xf2e fuel injectors from 5-0 motorsport
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Message:
I don't got a tool for that but I tried Ur trick, Ur a genius!
Thanks man.



daddio
Dodge Dakota
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11/02/2010
12:26:16

RE: Xf2e fuel injectors from 5-0 motorsport
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Message:
You can rent a fuel pressure tester/ gage and spend 20 bucks on a manual for your truck. You'll be surprised at what you can learn from it.



Jeff Da Idiot
Dodge Dakota
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11/02/2010
13:04:20

RE: Xf2e fuel injectors from 5-0 motorsport
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Message:
Oh yeah Ur right, I have the manual lol, I just never checked
what I should do if my truck was runnin to rich, now that I
know it is well I'm gonna check it. N yea I forgot I could rent
them, at auto zone just as long as they got collateral, and
where and how would I check the fuel pressure? Do I just put
the tool where you release the pressure on the fuel injectors?
I'm not sure if it says on the manual...hmm...



daddio
Dodge Dakota
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11/02/2010
13:20:19

RE: Xf2e fuel injectors from 5-0 motorsport
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"Do I just put
the tool where you release the pressure on the fuel injectors?"

Exactly, that is the test port. The manual should tell you how to check it.




Jeff Da Idiot
Dodge Dakota
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11/02/2010
17:38:09

RE: Xf2e fuel injectors from 5-0 motorsport
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Message:
Awesome. Thanks Daddio, I appreciate it alot.



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